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If a,b,c are in A.P., then 2^(ax+1),2^(b...

If a,b,c are in A.P., then `2^(ax+1),2^(bx+1),2^(cx+1), x in R`, are in

A

A.P.

B

G.P. only when `x gt 0`

C

G.P. if `x lt 0`

D

G.P. for all `x ne 0`

Text Solution

Verified by Experts

The correct Answer is:
D
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