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If int (1)/(4-3 cos^(2) x+5sin^(2)x)dx=(...

If `int (1)/(4-3 cos^(2) x+5sin^(2)x)dx=(1)/(3)tan^(-1)(f(x))+c`,then f(x)equals :

A

`2tan x `

B

`3 tan x`

C

`sqrt(2)tan x`

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
B
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