The roots \( \alpha, \beta \) and \( y \) of an equation \( x^{3}-3 a x^{2}+3 b x-c=0 \) are in ...
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0The roots \( \alpha, \beta \) and \( y \) of an equation \( x^{3}-3 a x^{2}+3 b x-c=0 \) are in H.P.
(A) \( \beta=\frac{1}{a} \)
(B) \( \beta=b \)
(C) \( \beta=\frac{b}{c} \)
(D) \( \beta=\frac{c}{b} \)
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