cos(T/x) x2 cos(T/x) d.x = lim 1 = lim (1- sin(/b)) b-0 T dx = lim sin(7/x) b-00

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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For number 21, how did we take the integral of cospi/x/x^2.? Can you show the parts they left out of the answer key? I was confused trying to find the intergral here.

The given integral diverges.
9.
2- dx = lim
9.
8.9.20
2- dx = lim
-1
-1
1
1
= lim
In 2(2)
b00
%3D
6→0 (
In 2(2º)
2 In 2
1
b-
2 In 2
cos(T/x)
cos(T/x)
de - Jim (- sin(m/2))-
8.9.21
d.x = lim
b-00
d.x = lim
b00
1
= lim (1- sin(T/b))
2.
x2
22
Transcribed Image Text:The given integral diverges. 9. 2- dx = lim 9. 8.9.20 2- dx = lim -1 -1 1 1 = lim In 2(2) b00 %3D 6→0 ( In 2(2º) 2 In 2 1 b- 2 In 2 cos(T/x) cos(T/x) de - Jim (- sin(m/2))- 8.9.21 d.x = lim b-00 d.x = lim b00 1 = lim (1- sin(T/b)) 2. x2 22
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