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

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If x, y and z are in AP and tan-1 x, tan-1 y and tan-1 z are also in A.P. then

(a) x = y = z 

(b) 2x = 3y = 6z

(c) 6x = 3y = 2z

(d) 6x = 4y = 3z

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1 Answer

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Best answer

Correct option (a) x = y = z

Explanation:

Since. x, y and z are in AP.

2y = x + z

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