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, beta are the zeroes of the polynomial x^(2) - x - 6 then alpha^(2)beta^(2) = …………

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

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

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 = …………

If alpha and beta are the zeros of the polynomial ax^2+bx+c . Find the value of alpha^2 + beta^2 + alpha beta

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 the zeroes of the polynomial 2x^2 + 5x + 1 , then the value of alpha +beta+ alpha beta is

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.