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If alpha and beta are the zeros of the q...

If `alpha` and `beta` are the zeros of the quadratic polynomial `f(x)=a x^2+b x+c` , then evaluate: (i) `alpha-beta` (ii) `1/alpha-1/beta` (iii) `1/alpha+1/beta-2alphabeta`

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RD SHARMA ENGLISH-POLYNOMIAL-All Questions
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  14. Verify that the numbers given along side of the cubic polynomial g(x)=...

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