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The value of tan (2 "tan"^(-1)(1)/(5)-(p...

The value of tan `(2 "tan"^(-1)(1)/(5)-(pi)/(4))` is

A

`-1//3`

B

`-7//17`

C

`-1//2`

D

`-1//4`

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The correct Answer is:
B
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