Mathematics 9709 · AS & A Level · Algebra

Algebra — practice question

(i)[5]

Express $\frac{9-7x+8x^2}{(3-x)(1+x^2)}$ as partial fractions.

(ii)[5]

Hence find the expansion of $\frac{9-7x+8x^2}{(3-x)(1+x^2)}$ in ascending powers of $x$, up to and including the term in $x^3$.

Worked solution & mark scheme

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

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