if `alpha` and `beta` are the roots of the equation `p(x^2+n^2)+pnx+qn^2x^2=0` then the value of `p(alpha^2+beta^2)+palphabeta+qalpha^2beta^2` is

if alpha and beta are the roots of the equation p(x^(2)+n^(2))+pnx+qn^(2)x^(2)=0 then the value of p(alpha^(2)+beta^(2))+p alpha beta+q alpha^(2)beta^(2) is

If alpha and beta are the roots of the equation x^(2) -x+7=0 , then find the value of alpha^(2) + beta^(2) .

If alpha and beta are the roots of the equation x^2 + 2x +8=0 then the value of (alpha)/(beta) + (beta)/(alpha) is ………………….. .