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If x, y and z are in AP and tan^(-1) x, ...

If x, y and z are in AP and `tan^(-1) x, tan^(-1) y " and " tan^(-1) z ` are also in AP, then

A

x=y=z

B

x=y=-z

C

x=1,y=2,z=3

D

x=2,y=4,z=6

Text Solution

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The correct Answer is:
A
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    `x=1//z`
    C
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