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If alpha,beta are the roots of x^2-p x+q...

If `alpha,beta` are the roots of `x^2-p x+q=0a n dalpha^(prime),beta'` are the roots of `x^2-p^(prime)x+q^(prime)=0,` then the value of `(alpha-alpha^(prime))^2+(beta-alpha^(prime))^2+(alpha-beta^(prime))^2+(beta-beta^(prime))^2` is a.`2{p^2-2q+p^('2)-2q^(prime)-p p '}` b. `2{p^2-2q+p^('2)-2q^(prime)-q q '}` c. `2{p^2-2q-p^('2)-2q^(prime)-p p '}` d.`2{p^2-2q-p^('2)-2q^(prime)-q q '}`

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