If one root of the equation \( 4 x^{2}+2 x-1=0 \) is \( \alpha^{\prime} \), then (A) a can be eq...

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If one root of the equation \( 4 x^{2}+2 x-1=0 \) is \( \alpha^{\prime} \), then
(A) a can be equal to \( \frac{-1+\sqrt{5}}{4} \)
(C) other root is \( 4 \alpha^{3}-3 \alpha \)
(B) a can be equal to \( \frac{1+\sqrt{5}}{4} \)
(D) other root is \( 4 a^{3}+3 a^{4} \)
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