If a and b are the roots of the equation `x^2 + x + 1 = 0`, then `a^2+ b^2` is equal to

If 2alpha and 3beta are the roots of the equation x^(2) + az +b = 0 , then find the equation whose roots are a,b .

If a,b are the roots of the equation x^(2)+x+1=0, thn a^(2)+b^(2)= a.1b.2c-1d.3

If a and b are roots of the equation x^2+a x+b=0 , then a+b= (a) 1 (b) 2 (c) -2 (d) -1

If sum of squares of the roots of the equation x^(2) + kx - b= 0 is 2b, what is k equal to ?

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

The roots of the equation x^(2) + ax + b = 0 are "______" .