If \[\frac{1}{b-a}+\frac{1}{b-c}=\frac{1}{a}+\frac{1}{c}\], then \[a,\ b,\ c\] are in [MNR 1984; MP PET 1997; UPSEAT 2000]

If \[\frac{1}{b-a}+\frac{1}{b-c}=\frac{1}{a}+\frac{1}{c}\], then \[a,\

1.	If \[\frac{1}{b-a}+\frac{1}{b-c}=\frac{1}{a}+\frac{1}{c}\], then \[a,\ b,\ c\] are in [MNR 1984; MP PET 1997; UPSEAT 2000]
A.	A.P.
B.	G.P.
C.	H.P.
D.	In G.P. and H.P. both
Answer» D. In G.P. and H.P. both

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If \[\frac{1}{b-a}+\frac{1}{b-c}=\frac{1}{a}+\frac{1}{c}\], then \[a,\ b,\ c\] are in [MNR 1984; MP PET 1997; UPSEAT 2000]

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