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If the roots of the equation x^2 + px + ...

If the roots of the equation `x^2 + px + q = 0` are `alpha and beta` and roots of the equation `x^2 - xr + s = 0` are `alpha^4.beta^4` , then equation `x^2 - 4 qx + 2q^2-r=0` will be

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