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Questions  >>  Olympiad-Math  >>  Class 10
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Q)

If $\alpha$ and $\beta$ are the roots of the equation $x^2-3x+k=0$ such that $\alpha=2\beta$,then the value of $k$ is ________

$(A) \;2\\(B)\;\large\frac{1}{2}\\(C)\;-2\\(D)\;-\large\frac{1}{2} $

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