Least value of the sum of the squares of the roots of the equation `x^2-(a-2)x-a-1=0` is

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

The value of a so that the sum of the squares of the roots of the equation x^2-(a-2)x-a+1=0 assume the least value, is

The value of a so that the sum of the squares of roots of the equation x^2-(a-2)x-a+1=0 assume 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

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

Find 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.

Find 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.

Find 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.

What is the sum of the squares of the roots of the equation x^(2)+2x-143=0?