16 da (a) Evaluate the integral: a +4 Your answer should be in the form kr, where k is an integer. What Is the value of k? arctan(x) = Hint: dr 2+1 k D (b) Now, let's evaluate the same Integral using a power series. First, find the power series for the function f(z) = 16 Then, integrate it from 0 to 2, and call the result S. S should be an infinite series. 2+4

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Question
16
da
22 +4
(a) Evaluate the Integral:
Your answer should be in the form kr, where k is an integer. What Is the value of k?
Hint:
dr
arctan()
2+1
k%3D
(b) Now, let's evaluate the same integral using a power series. First, find the power series for the function
16
Then, integrate it from 0 to 2, and call the result S. S should be an Infinite serles.
2 +4
f(=) D
What are the first few terms of S?
(c) The answers to part (a) and (b) are equal (why?). Hence, if you divide your infinite series from (b) by k (the
answer to (a)), you have found an estimate for the value of x in terms of an infinite series. Approximate the
value of by the first 5 terms.
(d) What is the upper bound for your error of your estimate if you use the first 12 terms? (Use the alternating
series estimation.)
Transcribed Image Text:16 da 22 +4 (a) Evaluate the Integral: Your answer should be in the form kr, where k is an integer. What Is the value of k? Hint: dr arctan() 2+1 k%3D (b) Now, let's evaluate the same integral using a power series. First, find the power series for the function 16 Then, integrate it from 0 to 2, and call the result S. S should be an Infinite serles. 2 +4 f(=) D What are the first few terms of S? (c) The answers to part (a) and (b) are equal (why?). Hence, if you divide your infinite series from (b) by k (the answer to (a)), you have found an estimate for the value of x in terms of an infinite series. Approximate the value of by the first 5 terms. (d) What is the upper bound for your error of your estimate if you use the first 12 terms? (Use the alternating series estimation.)
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