Approximating definite
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- (a) Evaluate the integral: k Your answer should be in the form kä, where k is an integer. What is the value of k? 1 Hint: -arctan(2) d dx x² + 1 = a1 (b) Now, let's evaluate the same integral using a power series. First, find the power series for the function 32 f(x) Then, integrate it from 0 to 2, and call the result S. S should be an infinite series. x² + 4 a2 What are the first few terms of S? ao = = || az = 2 32 x² + 4 = = a4 = dx (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 7 in terms of an infinite series. Approximate the value of π by the first 5 terms. (d) What is the upper bound for your error of your estimate if you use the first 7 terms? (Use the alternating series estimation.)arrow_forward16 dz 2 + 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: arctan(z) | r2 +1 (b) Now, let's evaluate the same integral using a power series. First, find the power series for the function 16 f(=) Then, integrate it from 0 to 2, and call the result S. S should be an infinite series. r2 + 4 What are the first few terms of S? a, = 32 a2 = 20 128 az = 112 512 a4 = 576 of of ofarrow_forwarda=0arrow_forward
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