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

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

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

Number of distinct real roots of equation 3x^4+4x^3-12x^2+4=0

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

The number of distinct real roots of the equation 3x^(4)+4x^(3)-12x^(2)+4=0 is ___________.

The number of distinct real roots of the equation |cosx s in x s in x s in x cos x s in x s in x s in x cos x|=0 in the interval [-\ pi/4,pi/4] is- a. 3 b. \ 4 c. \ 2 d. 1

The number of distinct real solution to x^(4)+x^(3)-4x^(2)+x+1=0 is

The number of real roots of (x+3)^(4)+(x+5)^(4)=16

The number of distinct real roots of the equation sin pi x=x^(2)-x+(5)/(4) is