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If x,y,z are in A. P. then (1)/(yz) , (1...

If `x,y,z` are in A. P. then `(1)/(yz) , (1)/(zx), (1)/(xy)` are in-

A

A.P.

B

G.P.

C

H.P.

D

none of these

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The correct Answer is:
A
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If tan^(-1)x , tan^(-1)y and tan^(-1)z are in A.P, find the algebric relation between x,y and z. If x,y,z be also in A.P. then show that x = y = z(y ne 0) .

CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 3
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  2. The solution set of the inequation of (x-2)/(x+5)gt2 is-

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  3. If x,y,z are in A. P. then (1)/(yz) , (1)/(zx), (1)/(xy) are in-

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  4. The condition theta x^(3) -2px+2q may be divisible by a factor of the ...

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  18. If the circle x ^(2) +y^(2) -4rx- 2ry+4r^(2)=0 and x^(2) +y^(2) =25 to...

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