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If alpha,betaa n dgamma are roots of 2x ...

If `alpha,betaa n dgamma` are roots of `2x 63+x^3-7=0` , then find the value of `sum(alpha/beta+beta/alpha)` .

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MOTION-QUADRATIC EQUATION-EXERCISE -3 (SUBJECTIVE)
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  18. Find the complete set of real values of a for which both roots of the ...

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