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If int (x^(2) + 4)/(x^(4) + 16) dx = (1)...

If `int (x^(2) + 4)/(x^(4) + 16) dx = (1)/(k) tan^(-1) ((x^(2) - 4)/(kx) ) + C ` then k =

A

`sqrt(2)`

B

`4 sqrt(2)`

C

`2 sqrt(2)`

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
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