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If a x^3+b x^2+c x+d is divisible by a x...

If `a x^3+b x^2+c x+d` is divisible by `a x^2+c ,t h e na ,b ,c ,d` are in a. A.P. b. G.P. c. H.P. d. none of these

A

AP

B

GP

C

HP

D

None of these

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