Question

which correctly describes the roots of the following cubic equation?
x^3-3x^2+4x-12=0
1. 3 real roots, each with diff values
2. 1 real root and 2 complex roots
3. 3 real roots, 2 of which are = in value
4. 2 real roots & 1 complex root

Answer 1

its 3

Answer 2

@pinal145 can you help me with another ?