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5cos^(-1)((1-x^(2))/(1+x^(2)))+7sin^(-1)...

`5cos^(-1)((1-x^(2))/(1+x^(2)))+7sin^(-1)((2x)/(1+x^(2)))-4tan^(-1)((2x)/(1-x^(2)))-tan^(-1)x=5pi`, then x is equal to

A

3

B

`-sqrt3`

C

`sqrt3`

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
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DISHA PUBLICATION-INVERSE TRIGONOMETIC FUNCTIONS-EXERCISE - 2: (CONCEPT APPLICATOR)
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