[" the toots of the equination "],[x^(2)-(a-2)x-(a+1)=0" assume the least value "],[" is: "],[[" (a) "0," (b) "1," (c) "2]]

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 assumes the least values is : a)0 b)1 c)2 d)3

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

If the sum of two toots of the equation x-3x^(2)+kx+48=0 is zero then k=

If a and b(!=0) are the roots of the equation x^2+ax+b=0 then the least value of x^2+ax+b is