[" a and "beta" are zero of "2x^(2)+5x+],[" such that "a^(2)+beta^(2)+a beta=21/4],[" then 'k' is "]

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 are the zeros of kx^(2)-2x+3k such that alpha+beta = alpha beta then 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,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 zeroes of x^(2)-5x+6 , then find the value of alpha^(2)+beta^(2) .

If alpha and beta are zeroes of x^(2)-5x+6 , then find the value of alpha^(2)+beta^(2) .

If alpha and beta are the zeros of 2x^(2)+5x-9 then the value of alpha beta is

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 = …………