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int(dx)/(sqrt(x^2-9)+sqrt(x^2-4))=...

`int(dx)/(sqrt(x^2-9)+sqrt(x^2-4))=`

A

`-(1)/(5)[(x)/(2)(sqrt(x^(2)-9)-sqrt(x^(2)-4))+log[((x+sqrt(x^(2)-4))^(2))/((x+sqrt(x^(2)-4))^(9//2))]]`

B

`(1)/(5)[(x)/(2)(sqrt(x^(2)-9)-sqrt(x^(2)-4))+log.((x+sqrt(x^(2)-4))^(2)]/((x+sqrt(x^(2)-4))^(9//2))]]`

C

`(1)/(5)[(x)/(2)(sqrt(x^(2)-9)+sqrt(x^(2)-4))+log[((x+sqrt(x^(2)-4))^(2))/((x+sqrt(x^(2)-4))^(9//2))]]`

D

none of these

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The correct Answer is:
A
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