Mathematics 9709/12 — October/November 2018

Cambridge AS Level · Pure Mathematics 1 · worked solutions for every part, with the mark scheme

questions

marks

105

minutes

Topics Trigonometry · Coordinate Geometry · Quadratics · Series · Integration · Differentiation · +2 more

Q14MSeriesFree sample

Find the coefficient of $\frac{1}{x^2}$ in the expansion of $\left(3x + \frac{2}{3x^2}\right)^7$ .

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