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7.1/(p+q),1/(q+r),1/(r+p) are in AP, the...

7.`1/(p+q),1/(q+r),1/(r+p)` are in AP, then

A

p, q, r in A.P.

B

`q^2,p^2,r^2` are in A.P.

C

`p^2,q^2,r^2` are in A.P.

D

p,q,r in G.P.

Text Solution

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The correct Answer is:
B
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