If `alpha` and `beta` are zeroes of the polynomial f(x)`=2x^(2)+5x+k`,such that `alpha^(2)+beta^(2)+alphabeta=(21)/(4)`. Find k.

If alpha,beta be the zeroes of the polynomial 2x^(2)+5x+k such that alpha^(2)+beta^(2)+alphabeta=(21)/(4) , then k=?

If alpha, beta be the zeros of the polynomial 2x^(2)+5x+k such that alpha^(2)+beta^(2)+ alpha beta = (21)/4 then k= ?

If alpha and beta are the zeros of the polynomial f(x)=2x^(2)+5x+k satisfying the relation alpha^(2)+beta^(2)+alpha beta=(21)/(4) ,then find the value of k for this to be possible.

If alpha and beta are zeroes of the polynomial f(x) = x^(2) - x - k , such that alpha- beta = 9 . find k.

If alpha and beta are the zeroes of the polynomial 2x^(2)-4x+5 find the value of alpha^(2)+beta^(2)

If alpha,beta are zeroes of the quadratic polynomial p(x)=2x^(2)-Kx+7 such that alpha^(2)+beta^(2)-(1)/(2)alpha beta=(23)/(2). Find the value of K

if alpha& beta are zeroes of the polynomial 2x^(2)-5x+8 then

If alpha and beta ar the zeros of the polynomial f(x)=x^(2)-5x+k such that alpha-beta=1 find the value of k.

If alpha and beta are the zeros of the polynomial f(x)=2x^2+5x+k satisfying the relation alpha^2+beta^2+alphabeta=(21)/4 , then find the value of k for this to be possible.

If alpha and beta are the zeroes of the quadratic polynomial x^(2)-kx+15 such that (alpha+beta)^(2)-2 alpha beta=34 Find k