a) The Taylor series expansion of f(z) = e^z about z = 0 is:
e^z = 1 + z + (1/2!)z^2 + (1/3!)z^3 + ...
The circle of convergence for the Taylor series of e^z is the entire complex plane.
b) The Taylor series expansion of f(z) = e^z/cos(z) about z = 0 is:
e^z/cos(z) = 1 + z + z^2/2 + z^3/3! + ...
The circle of convergence for the Taylor series of e^z/cos(z) is the entire complex plane.
a) To find the Taylor series of f(z) = e^z about z = 0, we can use the formula for the Taylor series expansion:
f(z) = f(0) + f'(0)z + (f''(0)/2!)z^2 + (f'''(0)/3!)z^3 + ...
First, let's find the derivatives of f(z):
f'(z) = d/dz(e^z) = e^z
f''(z) = d^2/dz^2(e^z) = e^z
f'''(z) = d^3/dz^3(e^z) = e^z
Since all the derivatives of e^z are equal to e^z, we can write the Taylor series expansion as:
f(z) = e^0 + e^0*z + (e^0/2!)z^2 + (e^0/3!)z^3 + ...
Simplifying, we get:
f(z) = 1 + z + (1/2!)z^2 + (1/3!)z^3 + ...
The Taylor series expansion of f(z) = e^z about z = 0 is:
e^z = 1 + z + (1/2!)z^2 + (1/3!)z^3 + ...
The circle of convergence for the Taylor series of e^z is the entire complex plane.
b) To find the Taylor series of f(z) = e^z/cos(z) about z = 0, we can again use the formula for the Taylor series expansion:
f(z) = f(0) + f'(0)z + (f''(0)/2!)z^2 + (f'''(0)/3!)z^3 + ...
First, let's find the derivatives of f(z):
f'(z) = (e^z*cos(z) + e^z*sin(z))/cos^2(z)
f''(z) = (2*e^z*cos^2(z) - 2*e^z*sin^2(z) - 2*e^z*cos(z)*sin(z))/cos^3(z)
f'''(z) = (6*e^z*cos^3(z) - 6*e^z*sin^3(z) + 6*e^z*cos^2(z)*sin(z) - 6*e^z*cos(z)*sin^2(z))/cos^4(z)
Now, let's evaluate these derivatives at z = 0:
f(0) = e^0/cos(0) = 1
f'(0) = (e^0*cos(0) + e^0*sin(0))/cos^2(0) = 1
f''(0) = (2*e^0*cos^2(0) - 2*e^0*sin^2(0) - 2*e^0*cos(0)*sin(0))/cos^3(0) = 2
f'''(0) = (6*e^0*cos^3(0) - 6*e^0*sin^3(0) + 6*e^0*cos^2(0)*sin(0) - 6*e^0*cos(0)*sin^2(0))/cos^4(0) = 6
Substituting these values into the Taylor series expansion formula, we get:
f(z) = 1 + z + (2/2!)z^2 + (6/3!)z^3 + ...
To simplifying, we have:
f(z) = 1 + z + z^2
/2 + z^3/3! + ...
The Taylor series expansion of f(z) = e^z/cos(z) about z = 0 is:
e^z/cos(z) = 1 + z + z^2/2 + z^3/3! + ...
The circle of convergence for the Taylor series of e^z/cos(z) is the entire complex plane.
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3(3y-6)=18 please help i have 10 mins to finish
At the beginning of the year, Gabriel had $25 in savings and saved an additional $14
each week thereafter. Adrian started the year with $80 and saved $9 every week. Let
G represent the amount of money Gabriel has saved t weeks after the beginning of
the year and let A represent the amount of money Adrian has saved t weeks after the
beginning of the year. Write an equation for each situation, in terms of t, and
determine the number of weeks after the beginning of the year until Gabriel and
Adrian have the same amount of money saved.
Answer: 11 weeks
Step-by-step explanation:
G(t) = 25 + 14t
A(t) = 80 + 9t
set G equal to A and find t
25 + 14t = 80 + 9t
5t = 55
t = 11
Write an exponential function in the formy y = a * b ^ x that goes through points (0, 7) and (3, 875) .
Answer: y=7(5)^x
Step-by-step explanation:
Solve: x/2-3x/4+x/6=(-2)/3
original equation
\(\frac{x}{2}-\frac{3x}{4}+\frac{x}{6}=-\frac{2}{3}\)
multiply by lcd
\(12(\frac{x}{2})-12(\frac{3x}{4})+12(\frac{x}{6}) =-12(\frac{2}{3})\\\\6x-9x+2x=-8\)
isolate for x
\(-1x=-8\\\\x=8\)
verify
\(\frac{8}{2}-\frac{3(8)}{4}+\frac{8}{6}=-\frac{2}{3}\\\\4-6+\frac{4}{3}=-\frac{2}{3}\\\\4-2+\frac{4}{3}=-\frac{2}{3}\\\\-\frac{2}{3}=-\frac{2}{3}\\\\LS=RS\)
True or false: if the truth is x, and y and z are conflicting claims, it must be true that either y≠x or z≠x, or neither?
Tt is also possible neither y nor z is x.
Now, According to the question;
The x and y-axis are two important lines of the coordinate plane. The x-axis is a horizontal number line and the y-axis is a vertical number line. These two axes intersect perpendicularly to form the coordinate plane. The x-axis is also called the abscissa and the y-axis is called the ordinate.
If x is true, a non true statement cannot be the same as it.
Now, In symbolic logic, = doesn't mean two statements have the same value—it means they are the same literal statement.
So, if x is true, and y and z contradict, at least one of y and z is false, and that false statement cannot possibly be x.
Hence, it is also possible neither y nor z is x.
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Can anyone help me with this question?
Answer:
the answer is number 2
Step-by-step explanation:
hope this helps u
In the diagram, which two angles are alternate interior angles with angle 14?
12
3
4
13/14
16/15
and 12
and 29
and 210
5 6
8 7
9 10
12 11
Save and Exit
Next
Sub
Alternate interior angles are the angles formed when a transversal intersects two coplanar lines.
What is mean by interior angles?Alternate interior angles are the angles formed when a transversal intersects two coplanar lines. They lie on the inner side of the parallel lines but on the opposite sides of the transversal. The transversal crosses through the two lines which are Coplanar at separate points. These angles represent whether the two given lines are parallel to each other or not. If these angles are equal to each other then the lines crossed by the transversal are parallel. In this article, we will discuss what are alternate interior angles, the theorem statements and proofs based on the alternate interior angles, what is a co-interior angle, and many solved examples.
An interior angle is a shape's internal angle. The closed form with sides and vertices is a polygon. All of the inner angles of a regular polygon are equal to one another. For instance, a square has internal angles that are all exactly right angles, or 90 degrees.
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solve this equation for x: 3x+4x+x+16
Answer:
x = 2
Step-by-step explanation:
solve this equation for x: 3x+4x+x=16
3x + 4x + x = 16
7x + x = 16
8x = 16
x = 16 : 8
x = 2
----------------------
check3 × 2 + 4 × 2 + 2 = 16 (remember PEMDAS)
6 + 8 + 2 = 16
16 = 16
same value the answer is good
The ASCII value for the letter A is 65 in decimal. The bit pattern 1001001 represents the letter ___
The bit pattern 1001001 represents the letter I. The letter represented by the decimal value 73 in ASCII is the uppercase letter "I".
The ASCII value for the letter A is indeed 65 in decimal. To find the letter represented by the bit pattern 1001001, we need to convert this binary value to decimal.
Step 1: Write down the binary value:
1001001
Step 2: Identify the position of each digit (starting from right to left):
2^0, 2^1, 2^2, 2^3, 2^4, 2^5, 2^6
Step 3: Multiply the binary digit by its corresponding position value:
(1*2^6) + (0*2^5) + (0*2^4) + (1*2^3) + (0*2^2) + (0*2^1) + (1*2^0)
Step 4: Calculate the decimal value:
(64) + (0) + (0) + (8) + (0) + (0) + (1) = 73
The decimal value for the binary number 1001001 is 73. Now, we can find the ASCII character that corresponds to this decimal value.
The letter represented by the decimal value 73 in ASCII is the uppercase letter "I".
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How do I find the missing sides on this special triangle?
Answer:
x = 6
y = \(3\sqrt{2}\)
Step-by-step explanation:
Thats a 45 45 90 triangle, one of my favorite and you'll come to miss it later because of how easy it is.
See the file provided for the trick
Because \(3\sqrt{2}\) falls where a 1 is in the diagram that means y is also \(3\sqrt{2}\) because you multiply \(3\sqrt{2}\) by 1, and to get x you'll multiply the value we're given, \(3\sqrt{2}\), by the value in the spot in the given diagram, \(\sqrt{2}\).
\(3\sqrt{2}\) ×\(\sqrt{2}\)
Note; a radical multiplied by itself is the value in the radical
Therefore,
\(3\sqrt{2}\) ×\(\sqrt{2}\) = 3(2) = 6
Thus x = 6
The explanation for this;
\(\sqrt{2}\) * \(\sqrt{2}\) = \(\sqrt{2}^2\)
And if you square a square root you have its square root times its square root squared, which if it was \(\sqrt{4}^2\) it'd ultimately be \((2)^2\) which is 2x2 which equals 4
Hope this helps
1st question: Are the angles adjacent or vertical?
2nd question: Find the value for x.m
Answer: It’s adjacent I’ll draw what vertical is. And M is 180-106 which is 74. Adjacent means next to...
Step-by-step explanation:
how many different numbers can be constructed using the digits 0,1,2,2? all of the digits must be used each time and no number can begin with 0
The number of different ways that can be use to form a four digit number using digits 0,1,2,2 where 0 can not in the first place is 18
1st place: The first place can be filled by three different ways i.e. 1,2,2 as a number can not start with zero
2nd place: The second place is can be filled by three ways ( remaining 2 numbers+ zero)
3rd place : The third place can be filled by two ways with the remaining two numbers.
4th place: The fourth place be filled by only one way with that remaining one number after filling all places.
So, the total number of ways will be=3×3×2×1
=18
Therefore , 18 different numbers can be constructed using the digits 0,1,2,2 where all of the digits must be used each time and no number can begin with 0.
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6. Frank's Fish Washing Service charges a base fee to wash your fish plus a charge per
minute. The table shows the total cost, c, and the number minutes it took to wash
the fish, m. Which equation represents this situation?
o
y = 3x + 8
of Minutes, m
8
10
12
14
Total Cost (S),
30
36
42
48
y = -x + 8
3
O
y = 3x + 6
O
y =
1
-x+6
Answer:
C
Step-by-step explanation:
Which equation represents a line which is parallel to the line x-
8y = 48?
Answer:
y = 1/8x
Step-by-step explanation:
REMEBER: When the slopes are two lines are equal, they're parallel.Given Equation:
x - 8y = 48 ---> This equation is in standard form.⇒ -8y = -1x + 48
⇒ y = 1/8x + 6
As a result, the equation of the parallal line to the given equation x - 8y = 48 is:
⇒ y = 1/8x
what is the slope of the line with x intercept of 3 and y intercept of 36
Answer:
you got it keep working
Step-by-step explanation:
Can someone help please!!
Answer:
7. b = 8
8. a = 30
9. a = 3.46
Step-by-step explanation:
Our equation is a^2 + b^2 = c^2
Now let put the number in and solve
7. 225 + b^2 = 289
b^2 = 64
b= 8
8. a^2 + 1600 = 2500
a^2 = 900
a = 30
9. a^2 + 4 = 16
a^2 = 12
a= 3.46
Answer:
1)b=8,2)a=30and3)a=3.46410161514
Step-by-step explanation:
Mark me Brainliest Please
Reduce each expression to a polynomial
((y-b)^(2))/(y-b+1)+(y-b)/(y-b+1)
The given expression ((y-b)²/(y-b+1)+(y-b)/(y-b+1) after being reduced to a polynomial, can be represented as y-b.
In order to reduce the given equation to a polynomial, we are required to simplify and combine like terms. First, we can simplify the expression in the numerator by expanding the square:
((y-b)²/(y-b+1) = (y-b)(y-b)/(y-b+1) = (y-b)²/(y-b+1)
Now, we can combine the two terms in the equation by finding a common denominator:
(y-b)²/(y-b+1) + (y-b)/(y-b+1) = [(y-b)² + (y-b)]/(y-b+1)
Next, we can combine the terms in the numerator by factoring out (y-b):
[(y-b)² + (y-b)]/(y-b+1) = (y-b)(y-b+1)/(y-b+1)
Finally, we can cancel out the common factor of (y-b+1) in the numerator and denominator to get the polynomial:
(y-b)(y-b+1)/(y-b+1) = y-b
Therefore, the equation ((y-b)²)/(y-b+1)+(y-b)/(y-b+1) after being simplified, is equivalent to the polynomial y-b.
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53. A club has 30 members. The positions of president, vice president, and treasurer will be assigned to 3 distinct members. Which of the following expressions gives the maximum number of distinct assignments that can be made?
A. 30^3
B. 30(3)
C. 30(29)(28)
D. 30(29)(28)(3)(2)(1)
E. 30(29)(28)/3(2)(1)
The answer is C, which you can get if you treat this problem as a permutation. But I thought it was a combination problem and that gets you E as the answer. So what makes this problem a permutation and not a combination?
Answer:
C
Step-by-step explanation:
first of all the situation is simply :
for the first position you have the full choice of the 30 members.
but then for the other positions you have taken 1 member out of the pool, and we have only 29 left to pick from.
after picking the second position, you have taken 2 members out of the pool, and we have only 28 choices for the 3rd position.
that is what the answer is
30×29×28
now to the theory :
well, the sequence is important.
if you go for the combinations of picking 3 people out of 30, you don't care, if m1 is in p1, m2 in p2, and m3 in p3, or m1 in p2, m2 in p3 and m3 in p1. since it is the same group of m1, m2, m3, both cases would be the same for combinations.
but for our purpose here, they are not the same.
it is important who is president, vice president and treasurer.
like in the Olympic games it makes a big difference, who wins gold, silver and bronze. it is not just to win a medal, and nobody cares about the color ...
they do, and therefore the sequence matters.
and therefore it is a permutation.
basically, the last division by 3×2×1 in the combinations is simply the removal of all the different sequences inside a group of 3.
as, in how many ways can you order 3 items ? 6 : 3×2×1.
3 options for the first, then 2 options for the second, and then one remaining for the third.
but again, if the sequence inside the group of 3 is important, you need to keep these extra 6 options per group of 3 in the calculation.
if the description would have been :
the club votes 3 members as board, and all 3 board members can fulfill all 3 roles at any time as needed, then the sequence would not matter, and it would be combinations.
but the sequence matters, and it is permutations.
PLEASE HELP WHATS THE ANSWER
\(Hiya!\)
The answer is....
B. 4.
Hopefully, this helps you!!
\(Sokka\)
Answer:
D. it is 4&-4I hope it helps you :)
what is a rectangles area formula
Thea are a of rectangle is base times the height of the rectangle
Geometry find length of third side !
The length of third side is 4 cm. This can be solved using the concept of right angled triangle.
What is triangle?Three straight sides and three angles make up a triangle, a two-dimensional form. Three vertices, three angles, and three sides define a triangle. In a triangle, the lengths of its two longest sides are always bigger than its third side's length.
A triangle seems to be a three-sided polygon with three vertices. There is a 180-degree angle created inside the triangle. In other words, a triangle's internal angles add up to 180 degrees.
Triangles can be categorized into one of three groups, namely Scalene, Isosceles, or Equilateral, depending on how long their sides are.
the triangle given is Right Angled Triangle because to find a third side provided two sides are given is only possible in a right angled triangle.
We know that the right-angled triangle follows Pythagoras Theorem
According to Pythagoras Theorem, the sum of squares of two sides is equal to the square of the third side:
(Perpendicular)² + (Base)² = (Hypotenuse)²
or, (2√3)² + (2)² = (Hypotenuse)²
or, 12 + 4 = (Hypotenuse)²
or, (Hypotenuse)² = 16
or, Hypotenuse = √16
or, Hypotenuse = 4 cm
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(5 points) 2. The coordinates of the vertices of ARST are R(1, 6), S(5, 3), and T(3,-2). Triangle R'S'T' is the image of ARST after a reflection in x = -1. Graph and state the coordinates of the vertices of AR'S'T'.
The coordinates of the reflected points are R' (1, -6), S' (5, -3), T' (3, 2) and the graph is attached.
What is reflection of graph?Reflections of graphs involve reflecting a graph over a specific line.Reflecting functions are functions whose graphs are reflections of each otherGiven are the coordinates of the vertices of ΔRST are R(1, 6), S(5, 3), and T(3,-2).
The rule for a reflection over the x -axis is (x, y) →(x, −y). Now we can write the coordinates of the reflection as -
R' (1, -6)
S' (5, -3)
T' (3, 2)
The graph is attached.
Therefore, the coordinates of the reflected points are R' (1, -6), S' (5, -3), T' (3, 2) and the graph is attached.
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Find the 73rd term of the following arithmetic sequence. 7, 12, 17, 22,
Answer:
\(a_{73}=367\)
Step-by-step explanation:
\(a_n=a_1+(n-1)d\\a_{73}=7+(73-1)(5)\\a_{73}=7+(72)(5)\\a_{73}=7+360\\a_{73}=367\)
I am thinking of a number. Add seven to the number and then multiply
it by two. The answer is sixteen. What is my number?(it’s a riddle)
Answer:
1
Step-by-step explanation:
7+1
=8
8*2
=16
What operation is the inverse of the one in the equation 9 = p/8 ?
A.subtraction
B.division
C.multiplication
D.addition
Multiplication operation is the inverse of the one in the given equation which is 9 = p/8.
What is an inverse?
The opposite of another operation is referred to as the "inverse" in mathematics. The operations that cancel out or are the opposite of one another are referred to as inverse operations. The work of a pair is reversed by an inverse operation.
We are given an equation as 9 = p/8.
In this equation, we can see that the operation used is division.
We know that inverse of division is multiplication.
Hence, multiplication operation is the inverse of the one in the given equation.
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6sin^2 (x) + 6sin (x) + 1 = 0
solve and show steps for the graph ( i already have the graph )
To solve the equation \(6sin^2(x)\) + 6sin(x) + 1 = 0, we can use algebraic methods and the unit circle to determine the values of x that satisfy the equation.
1. Start by rearranging the equation to a quadratic form: \(6sin^2(x)\) + 6sin(x) + 1 = 0.
2. Notice that the equation resembles a quadratic equation in terms of sin(x). Let's substitute sin(x) with a variable, such as u: \(6u^2\) + 6u + 1 = 0.
3. Solve this quadratic equation for u. You can use the quadratic formula or factorization methods to find the values of u. The solutions are u = (-3 ± √3) / 6.
4. Since sin(x) = u, substitute back the values of u into sin(x) to obtain the values for sin(x): sin(x) = (-3 ± √3) / 6.
5. To find the values of x, we can use the inverse sine function. Take the inverse sine of both sides: x = arcsin[(-3 ± √3) / 6].
6. The arcsin function has a range of [-π/2, π/2], so the values of x lie within that range. Use a calculator to find the approximate values of x based on the values obtained in step 5.
7. Plot the obtained x-values on the graph to show the solutions of the equation \(6sin^2(x)\) + 6sin(x) + 1 = 0. The graph will illustrate the points where the curve intersects the x-axis.
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please help I will give you any award
Answer:
218.57
Step-by-step explanation:
Since it is an isoceles triangle, the sides are 32, 32, and 14.
Using Heron's Formula, which is Area = sqrt(s(s-a)(s-b)(s-c)) when s = a+b+c/2, we can calculate the area.
(A+B+C)/2 = (32+32+14)/2=39.
A = sqrt(39(39-32)(39-32)(39-14) = sqrt(39(7)(7)(25)) =sqrt(47775)= 218.57.
Hope this helps have a great day :)
Check the picture below.
so let's find the height "h" of the triangle with base of 14.
\(\begin{array}{llll} \textit{using the pythagorean theorem} \\\\ a^2+o^2=c^2\implies o=\sqrt{c^2 - a^2} \end{array} \qquad \begin{cases} c=\stackrel{hypotenuse}{32}\\ a=\stackrel{adjacent}{7}\\ o=\stackrel{opposite}{h} \end{cases} \\\\\\ h=\sqrt{ 32^2 - 7^2}\implies h=\sqrt{ 1024 - 49 } \implies h=\sqrt{ 975 }\implies h=5\sqrt{39} \\\\[-0.35em] ~\dotfill\)
\(\stackrel{\textit{area of the triangle}}{\cfrac{1}{2}(\underset{b}{14})(\underset{h}{5\sqrt{39}})}\implies 35\sqrt{39} ~~ \approx ~~ \text{\LARGE 218.57}\)
Fred has a garden. He has 10 aucumber plants. This is 5% of all the plants in his garden. How many plants dons Fred have in his garden?
5. Which expression is equivalent to
(3x^2y-4)^0?
Answer:
1
Step-by-step explanation:
It is 1 because the laws of exponents state that anything raised to the power of 0 is 1.
For each of the following solids, find
1.
the volume,
(i) the total surface area,
of the solid.
(a)
(b)
24 cm
26 cm
1.2 m
0.5 m
50 cm
2.5 m
-PB
1.2 m
+20 cm
d
e
e
(c)
(d)
e
a
3.5 m
3.5 m 4m
40 cm
3.5 m
b
40 cm
and
Answer:
this is so easy and the answer of this all questions is54