If 2 -3 is the root of quadratic equation p x2-q x-r-0 for p- q- r belongs to R- then find value of p-q-r

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If 2 √3 is th...

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If 2√3 is the root of quadratic equation px²+qx+r=0 for (p,q,r) belongs to R , then find value of (p+q+r)

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