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If x, y, z are in A.P. and tan^(-1) x, t...

If x, y, z are in A.P. and `tan^(-1) x, tan^(-1) y and tan^(-1)z` are also in A.P. then

A

2x=3y=6z

B

6x=3y=2z

C

6x=4y=3z

D

x=y=z

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The correct Answer is:
D
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