If the equation x^2+px+q=0andx^2+p'x+q'=...

If the equation `x^2+px+q=0`and`x^2+p'x+q'=0` have a common root , prove that , it is either `(pq'-p'q)/(q'-q)`or,`(q'-q)/(p'-p)`.

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CHHAYA PUBLICATION-QUADRATIC EQUATIONS-EXERCISE 5A(Short answer type question)

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