If the roots of the cubic equation \( a x^{3}+b x^{2}+c x+d=0 \) are in G.P., then (A) \( c^{3} ...
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0If the roots of the cubic equation \( a x^{3}+b x^{2}+c x+d=0 \) are in G.P., then
(A) \( c^{3} a=b^{3} d \)
(B) \( c a^{3}=b d^{3} \)
(C) \( a^{3} b=c^{3} d \)
(D) \( a b^{3}=c d^{3} \)
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