?(a) If \(g(x)=\left(\sin ^{2} x\right) / x^{2}\), use a calculator or computer to make
Chapter 7, Problem 55(choose chapter or problem)
(a) If \(g(x)=\left(\sin ^{2} x\right) / x^{2}\), use a calculator or computer to make a table of approximate values of \(\int_{1}^{t} g(x) \quad d x\) for \(t=2,5,10,100,1000, \text { and } 10,000\). Does it appear that \(\int_{1}^{\infty} g(x) \quad d x\) is convergent?
(b) Use the Comparison Theorem with \(f(x)=1 / x^{2}\) to show that \(\int_{1}^{\infty} g(x) \quad d x\) is convergent.
(c) Illustrate part (b) by graphing \(f\) and \(g\) on the same screen for \(1 \leqslant x \leqslant 10\). Use your graph to explain intuitively why \(\int_{1}^{\infty} g(x) \quad d x\) is convergent.
Equation Transcription:
g(x) = (sin2x)/x2
∫g(x) dx
t = 2, 5, 10, 100, 1000, and 10,000
∫g(x) dx
f(x) = 1/x2
∫g(x) dx
f
g
1 ⩽ x ⩽ 10
∫g(x) dx
Text Transcription:
g(x) = (sin^2x)/x^2
integral _1 ^t g(x) dx
t = 2, 5, 10, 100, 1000, and 10,000
integral _1 ^infinity g(x) dx
f(x) = 1/x^2
integral _1 ^infinity g(x) dx
f
g
1 leqslant x leqslant 10
integral _1 ^infinity g(x) dx
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