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If a,b,c are in G.P. and the equations ...

If `a,b,c` are in G.P. and the equations
`ax^(2) + 2b x + c = 0= 0` and `d x^(2) + 2 e x + f = 0` have a common root. Then

A

`d,e,f` are in G.P.

B

`d,e,f` are in A.P.

C

`(a)/(d), (b)/(e), (c )/(f)` are in A.P.

D

`(a)/(d), (b)/(e), (c )/(f)` are in H.P.

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The correct Answer is:
D
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