Each of a and b can take values 1 or 2 with equal probability. The probability that the equation `ax^(2)+bx+1=0` has real roots, is equal to-

Each of a and b can take values of 1 or 2 with equal probability . The probability that the equation ax^(2)+bx+1=0 has real roots, is equal to

If ax^(2)+bx+c=0 has equal roots, 'c' is equal to

The quadratic equation ax^(2)+bx+c=0 has real roots if:

The quadratic equation ax^(2)+bx+c=0 has real roots if:

If a, bin{1,2,3} and the equation ax^(2)+bx+1=0 has real roots, then

If ax^(2) +bx +c=0 has equal roots. Then c is equal to :

If the roots of the equation ax^(2)+bx+c=0 are equal then c=?

If the roots of the equation ax^(2)+bx+c=0(ane0) be equal, then