How many roots of the equation `3x^4+6x^3+x^2+6x+3=0` are real ?

Using differentiation method check how many roots of the equation x^3-x^2+x-2=0 are real?

Find how many roots of the equations x^(4)+2x^(2)-8x+3=0

The roots of the equation 2x^(2)-6x+3=0 are

Find the equation of whose roots is greater by unity than the roots of the equation x^3-5x^2+6x-3=0

The number of real roots of the equation 2x^(3) -3x^(2) + 6x + 6 = 0 is

If k sqrt(-1) is a roots of the equation x^(4)+6x^(3)-16x^(2)+24x-80=0 then k=

If alpha,beta,gamma,delta are the roots of the equatione roots of the equation x^(4)-2x^(3)+4x^(2)+6x-21=0, then is sum alpha beta

One of the roots of the equation 8x^(3)-6x+1=0 is