The value of 'p' for which the sum of the square of the roots of `2x^2-2(p-2)x-p-1=0` is least, is

The value of ' ' ' for which the sum of the square of the roots of 2x^(2)-2(p-2)x-p-1=0 is least ,is

The value of p for which the sum of the squares of the roots of 2 x^(2)-2(p-2) x-p-1=0 is least is

The value of k for which the sum of the squares of the roots of 2x^(2)-2(k-2)x-k=0 is least is

The value of k for which the sum of the squares of the roots of 2x^(2)-2(k-2)x-k=0 is least is

The value of a for which the sum of the square of the roots of the equation x^(2)-(a-2)x-a+1=0 is least, is

The value of a for which the sum of the squares of the roots of the equation x^(2)-(a-2) x-a-1=0 assumes the least value is

The value of a for which the sum of the squares of the roots of the equation x^2 -(a-2)x-a-1=0 assume the least value is