If `alpha and beta` are the roots of the quadratic equation `2x^2+6x-5=0`, then find `(alpha+beta)` and `alpha xx beta`.

If alpha " and " beta are the roots of the quadratic equation x^2 -5x +6 =0 then find alpha^2 + beta^2

If alpha " and " beta are the roots of the quadratic equation x^2 -5x +6 =0 then find alpha/beta + beta/alpha

If alpha and beta are the roots of quadratic equation x^2+5x-1=0 then, find alpha^2+beta^2

If alpha and beta are the roots of the quadratic equation x^2-3x-2=0 , then alpha/beta+beta/alpha=

If alpha and beta are the roots of quadratic equation x^2+5x-1=0 then, find alpha^3+beta^3

If alpha and beta are the roots of the quadratic equation x^(2)-3x-2=0, then (alpha)/(beta)+(beta)/(alpha)=

if alpha,beta roots of quadratic equation 2x^(2)+3x-4=0 then find alpha+beta

If alpha,beta, are the roots of quadratic equation 7x^(2)-13x-2=0 then find (alpha+beta)/(alpha beta)

"If" alpha and beta are the roots of the quadratic equation 2x^(2) + 3x - 7 = 0 "then" (alpha^(2) + beta^(2))/(alpha beta)=

If alpha and beta are the roots of the quadratic equation x^2-4x-6=0 , find the values of alpha^2 + beta^2