[" If "a" and "beta" be the zeros of the polynomial "2x^(3)],[+5x+k" such that "a^(2)+beta^(2)+a beta=],[qquad (21)/(4)]

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,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 zeroes of the polynomial 2x^2+5x+k such that alpha^2+beta^2+alphabeta=21/4 then 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 polynomial 2x^(2)-5x+8 then

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 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 zeroes of the polynomial kx^(2)+4x+4, such that alpha^(2)+beta^(2)=24. 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 zeros of the polynomial p(x) = 2x^(2) + 5x + k satishfying the relation alpha^(2) + beta^(2) + alpha beta = 21/4 then k = …………