It is given that
f(x)=x3+2x2−11x−12f(x) = x^3 + 2x^2 - 11x - 12f(x)=x3+2x2−11x−12
a.
Calculate f(−4)f(-4)f(−4) and state what this establishes about f(x)f(x)f(x).
[2]
b.
Hence factorise f(x)f(x)f(x) completely.
[3]
Markscheme
1.2.10 Manipulating polynomials Questions
72 exam-style questions on OCR A Level Maths 1.2.10 Manipulating polynomials. Each one has a worked solution and a mark scheme showing where the marks go.