If \[\frac{b+a}{b-a}=\frac{b+c}{b-c}\], then\[a,\ b,\ c\] are in

1.	If \[\frac{b+a}{b-a}=\frac{b+c}{b-c}\], then\[a,\ b,\ c\] are in
A.	A.P.
B.	G.P.
C.	H.P.
D.	None of these
Answer» E.

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If \[\frac{b+a}{b-a}=\frac{b+c}{b-c}\], then\[a,\ b,\ c\] are in

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