f(x) = x^3 + 5x^2 + 7x + 3 = (x + 1)(x + 1)(x + 3)
What is the multiplicity of the root –1?
2
1
4
3
the curve crosses the x axis at x = -3
the curve just grazes the x axis at x = -1, bringing TWO roots together.
What is the multiplicity of the root –1?
2
1
4
3
the curve just grazes the x axis at x = -1, bringing TWO roots together.