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If In (a + c), In(c - a) , In(a - 2b + c...

If In (a + c), In(c - a) , In(a - 2b + c) are in A.P., then

A

a,b,c are in A.P.

B

`a^2, b^2 , c^2 `are in A.P.

C

a, b , c are in G.P.

D

a , b, c are in H.P

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The correct Answer is:
D
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PATHFINDER-PROGRESSION AND SERIES -QUESTION BANK
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