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tan^(-1)1+tan^(-1)2+tan^(-1)3=...

`tan^(-1)1+tan^(-1)2+tan^(-1)3=`

A

(a) `pi`

B

(b) `(pi)/(2)`

C

(c) `(pi)/(3)`

D

(d) `(pi)/(4)`

Text Solution

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The correct Answer is:
A
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