Progression (Sequence and Series)Medium
Question
If ln (a + c), ln (c - a) , ln (a - 2b + c) are in A.P. then:
Options
A.a, b, c are in A.P.
B.a2, b2, c2 are in A.P
C.a, b, c are in G.P.
D.a, b, c are in H.P.
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