(a) If g(x) = (sin 2 x)/x 2 , use a calculator or computer to make a...
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(a) If g(x) = (sin2x)/x2, use a calculator or computer to make a table of approximate values of ∫t1 g(x) dx for t = 2, 5, 10, 100, 1000, and 10,000. Does it appear that ∫∞1 g(x) dx is convergent?
(b) Use the Comparison Theorem with f(x) = 1/x2 to show that ∫∞1 g(x) dx is convergent.
(c) Illustrate part (b) by graphing f and g on the same screen for 1 ≤ x ≤ 10. Use your graph to explain intuitively why ∫∞1 g(x) dx is convergent.
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Related Book For
Calculus Early Transcendentals
ISBN: 9781337613927
9th Edition
Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin
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