If \[\frac{a+bx}{a-bx}=\frac{b+cx}{b-cx}=\frac{c+dx}{c-dx}(x\ne 0)\], then \[a,\ b,\ c,\ d\] are in [RPET 1986]

If \[\frac{a+bx}{a-bx}=\frac{b+cx}{b-cx}=\frac{c+dx}{c-dx}(x\ne 0)\],

1.	If \[\frac{a+bx}{a-bx}=\frac{b+cx}{b-cx}=\frac{c+dx}{c-dx}(x\ne 0)\], then \[a,\ b,\ c,\ d\] are in [RPET 1986]
A.	A.P.
B.	G.P.
C.	H.P.
D.	None of these
Answer» C. H.P.

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If \[\frac{a+bx}{a-bx}=\frac{b+cx}{b-cx}=\frac{c+dx}{c-dx}(x\ne 0)\], then \[a,\ b,\ c,\ d\] are in [RPET 1986]

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