If `alpha,beta,gamma,delta` are the roots of the equatione roots of the equation `x^4 - 2x^3 + 4x^2 + 6x -21= 0,` then is `sum alpha beta`

If alpha, beta, gamma, delta are roots of the equation a x^(4) + 4b x^(3) + 6c x^(2) + 4 dx + e = 0, then sum (alpha - beta )^(2) =

If alpha,beta,gamma,delta are the roots of the equarion x^(4)-2x^(3)+4x^(2)+6x-21=0, then sum alpha beta

If alpha,beta,gamma,delta are the roots of the equation 3x^(4)-8x^(3)+2x^(2)-9=0 then sum alpha beta=

If alpha , beta , gamma are the roots of the equation x^3 -6x^2 +11 x +6=0 then sum alpha^2 beta =

If alpha , beta , gamma are the roots of the equation x^3 -6x^2 +11 x +6=0 then sum alpha^2 beta =

If alpha,beta are the roots of the equation x^(2)+px+1=0 gamma,delta the roots of the equation x^(2)+qx+1=0 then (alpha-gamma)(alpha+delta)(beta-gamma)(beta+delta)=

If alpha , beta , gamma are the roots of the equation x^3 +4x^2 -5x +3=0 then sum (1)/( alpha^2 beta^2)=

If alpha , beta , gamma are the roots of the equation x^3 +4x^2 -5x +3=0 then sum (1)/( alpha^2 beta^2)=