[" 12.यदि Any polynomial "x^(2)-7x+k" Of zero "alpha" And "beta" हें,जहाँ "alpha-beta=1" ,"],[" Then "k" Find the value of "]

Polynomial f(x) = x^2 - 5x + k has zeroes a and beta " such that " alpha- beta = 1 , then find the value of 4k.

Polynomial f(x)=x^(2)-5x+k has zeroes alpha and beta such that alpha-beta=1 . Find the value of 4k .

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 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 be the zeroes of the quadratic polynomial p(x) = 2x^2 - kx + 7 since that alpha^2 + beta^2 - 1/2 alpha beta = (23)/(2) , find the value of k.

If alpha and beta are zeros of polynomial 2x^(2) + 7 x + 5 " find " alpha + beta + alpha beta .

In polynomial x^(2) +7x+10. if alpha, beta are its zeros then find alpha+beta and alpha beta .

if alpha and beta are quadratic polynomials x^(2)+kx+12 are zero and alpha-beta=1 then k=

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