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If p,q,r are in H.P. and p,q,-2r are in ...

If p,q,r are in H.P. and p,q,-2r are in G.P. ( p,q,r, `gt0)` then

A

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

B

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

C

C) p+q+r=0

D

D) None of these

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