The number of distinct real roots of `x^4-4x^3+12 x 62+x-1=0i s________dot`

The number of distinct real roots of x^4 - 4 x^3 + 12 x^2 + x - 1 = 0 is :

Find the number of positive real roots of x^4-4x-1=0

The number of real roots of (x+1/x)^3+x+1/x=0 is

The sum of all the real roots of equation x^4-3x^3-2x^2-3x+1=0 is

The number of real roots of (6 - x)^(4) + (8 - x)^(4) = 16 , is

The number of positive integral roots of x^(4) + x^(3) - 4 x^(2) + x + 1 = 0 , is

The number of real roots of (x+(1)/(x))^(3)+ (x+ (1)/(x))=0

The number of distinct real roots of |(sinx, cosx, cosx),(cos x,sin x,cos x),(cos x,cos x,sin x)|=0 in the interval -(pi)/4 le x le (pi)/4 is

The number of distinct real roots of |(sinx, cosx, cosx),(cos x,sin x,cos x),(cos x,cos x,sin x)|=0 in the interval -(pi)/4 le x le (pi)/4 is

The number of real root of the equal x^(3) -6x +9 = 0 is :