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If the sum of the roots of the equation ...

If the sum of the roots of the equation `ax^2+bx+c=0` is equal to the sum of the reciprocal of their squares, then `bc^2, ca^2` and `ab^2` are in

A

A. P.

B

G. P.

C

H. P.

D

None of these

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The correct Answer is:
A
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