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

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

Find the values of a for which the roots of the equation x^2+a^2=8x+6a are real.

Find the values of a for which the roots of the equation x^2+a^2=8x+6a are real.

Find the values of a for which the roots of the equation x^2+a^2=8x+6a are real.

Find the values of a for which all roots of the equation 3x^(4) + 4x^(3) – 12x^(2) + a = 0 are real and distinct.

Find the values of a for which the roots of the equation x^(2)+a^(2)=8x+6a are real.

Find all the values of p for which the equation x^(4)-4x^(3)-8x^(2)+p=0 has all real solutions

Find all the values of p for which the equation x^(4)-4x^(3)-8x^(2)+p=0 has two real solutions

Find all the values of p for which the equation x^(4)-4x^(3)-8x^(2)+p=0 has two real solutions

Find all the values of p for which the equation x^(4)-4x^(3)-8x^(2)+p=0 has no real solution