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[" Let "alpha,beta" be the roots of the equation "x^(2)-px+r=0],[" and "(alpha)/(2),2 beta" be the roots of the equation "],[x^(2)-qx+r=0" then the value of "r" is."],[[" (1) "(2)/(9)(p-q)(2q-p)],[" (2) "(2)/(9)(q-p)(2p-q)],[" (3) "(2)/(9)(q-2p)(2q-p)],[" (4) "(2)/(9)(2p-q)(2q-p)]]

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