If `alpha & beta` are the roots of the quadratic equation `x^(2)-(k-2)x-k+1=0` ,then minimum value of `alpha^(2)+beta^(2)` is

If alpha and beta are the roots of the quadratic equation x^(2) - 2x - 7 = 0 , find the value of alpha^(2) + beta ^(2) .

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

If alpha and beta are the real roots of the equation x^(2)-(k+1)x-(k+2)=0, then minimum value of alpha^(2)+beta^(2) is

If alpha and beta are the roots of the quadratic equation x^(2)-6x+1=0, then the value of (alpha^(2))/(beta^(2))+(beta^(2))/(alpha^(2)) is

Let alpha, beta be ral roots of the quadratic equation x ^(2)+kx+ (k^(2) +2k-4) =0, then the minimum value of alpha ^(z)+beta ^(z) is equal to :

Let alpha, beta be real roots of the quadratic equatin x ^(2) +kx+ (k^(2) +2k -4)=0, then the maximum value of (alpha ^(2) +beta ^(2)) is equal to :