Express 2x2+x+1(x−1)(x+1)\displaystyle \frac{2x^2+x+1}{(x-1)(x+1)}(x−1)(x+1)2x2+x+1 in the form A+B(x−1)+C(x+1)\displaystyle A + \frac{B}{(x-1)} + \frac{C}{(x+1)}A+(x−1)B+(x+1)C
368 exam-style questions on Edexcel A Level Maths Algebraic Methods, covering 1.1 Proof by Contradiction, 1.2 Algebraic Fractions, 1.3 Partial Fractions, 1.4 Repeated Factors, and 1.5 Algebraic Division. Each one has a worked solution and a mark scheme showing where the marks go.