Find the value of `x` for which `3cosx=x^2-8x+19` holds good.

Find the value of x for which 3cos x=x^(2)-8x+19 holds good.

Find the values of x for which 3costheta=x^2-8x+19 holds good.

Find the values of x for which 3costheta=x^2-8x+19 holds good.

Find the value of 3x^2-5x+8 for x=3

Find the set of value of x for which the equation cos^(-1) x + cos^(-1) ((x)/(2) + (1)/(2) sqrt(3 -3x^(2))) = (pi)/(3) holds goods

Find the set of value of x for which the equation cos^(-1) x + cos^(-1) ((x)/(2) + (1)/(2) sqrt(3 -3x^(2))) = (pi)/(3) holds goods

Find the values of x for which the function f(x)=x^(3)-7x^(2)+8x-10 is monotonic increasing.

Find the value of X: 8x^(2)+10x+3=0

the number of real values of x for which the equality holds good |3x^(2)+12x+6|=5x+16 holds good is

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