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[" 6.Prove that equations "(9-r)x^(2)+(r...

[" 6.Prove that equations "(9-r)x^(2)+(r-p)x+p-q=0" and "(r-p)x^(2)+(p-q)x+q-r=0" have a "],[" common root."]

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If the equadratic equation 4x ^(2) -2x -m =0 and 4p (q-r) x ^(2) -2p (r-p) x+r (p-q)-=0 have a common root such that second equation has equal roots then the vlaue of m will be :

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