Mathematics 9709 · AS & A Level · Algebra

Algebra — practice question

Define $f(x) = \frac{10x - 2x^2}{(x + 3)(x - 1)^2}$.
(a(i))[5]

Express $f(x)$ as a sum of partial fractions.

(a(ii))[5]

Hence find the expansion of $f(x)$ in ascending powers of $x$, up to and including the term in $x^2$.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: State or imply the structure $\dfrac{A}{x+3}+\dfrac{B}{x-1}+\dfrac{C}{(x-1)^2}$

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI