EXAMPLE 1 Determine whether the integral below is convergent or divergent. -dr 4.x

Calculus: Early Transcendentals
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ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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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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EXAMPLE 1 Determine whether the integral below is convergent or
divergent.
1
-dx
SOLUTION
According to the definition, we have
1
-dx
4.x
1
-dx
4.x
1
lim - In (|r|)]5
t+o 4
lim
1
lim
- In(9))
4
1
lim
In(t)
4
The limit does not exist as a finite number and so the improper integral below is
divergent.
dx
Transcribed Image Text:EXAMPLE 1 Determine whether the integral below is convergent or divergent. 1 -dx SOLUTION According to the definition, we have 1 -dx 4.x 1 -dx 4.x 1 lim - In (|r|)]5 t+o 4 lim 1 lim - In(9)) 4 1 lim In(t) 4 The limit does not exist as a finite number and so the improper integral below is divergent. dx
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