Show that a > -1  if and b> a+1  , then the followingintegral is convergent. integral 0 to infinity  x a / (1+x b ) dx

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Show that a > -1  if and b> a+1  , then the following
integral is convergent. integral 0 to infinity  x a / (1+x ) dx

Expert Solution
Step 1

Given that a>-1 and b>a+1.

To show that the improper integral 0xa1+xbdx is convergent.

Here 0xa1+xbdx=01xa1+xbdx+1xa1+xbdx

Improper integral is said to be convergent if it exist and finite.

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