If one root of the equation 4x2 - 2x - 1 - 0 is - then other root is -

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Definition of Functions

If one root o...

Question

If one root of the equation $4 x^{2} + 2 x - 1 = 0$ is $α$ , then other root is -

2 α

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4 α^{3} - 3 α

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4 α^{2} + 3 α

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None of these

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If $α$ is a root of $4 x^{2} + 2 x - 1$ = 0. then root is:

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x^{3} - 1 = 0

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(1 + 2 α + 3 β)^{3} - (3 + 3 α + 5 β)^{3}

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∣ ∣ ∣ ∣ ∣ \begin{matrix} (1 + α)^{2} & (1 + 2 α)^{2} & (1 + 3 α)^{2} (2 + α)^{2} & (2 + 2 α)^{2} & (2 + 3 α)^{2} (3 + α)^{2} & (3 + 2 α)^{2} & (3 + 3 α)^{2} \end{matrix} ∣ ∣ ∣ ∣ ∣ = - 648 α

α

4 x^{2} + 2 x - 1 = 0

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