The values of 'a' for which the roots of the equation `x^(2) + x + a = 0` are real and exceed 'a' are

Find the values of a for which all the roots of the equation x^4-4x^3-8x^2+a=0 are real.

The least value of a,for which roots of the equation x^(2)-2x-log_(4)a=0 are real,is?

Let S denotes the set of real values of 'a' for which the roots of the equation x^2-ax-a^2 = 0 exceeds 'a', then S equals to

Let S denotes the set of real values of 'a' for which the roots of the equation x^2-ax-a^2 = 0 exceeds 'a', then S equals to

If the roots of the quadratic equation x^(2) +2x+k =0 are real, then

If both roots of the equation x^(2)+x+a=0 exceeds 'a' then

The value of p for which the quadratic equation 2px^(2) + 6x + 5 = 0 has real and distinct roots is