Mathematics 9709 · AS & A Level · Series

Series — practice question

(main)[3]

Find the term in the expansion of $(x - \frac{1}{x^2})^9$ that is independent of $x$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct use of $^9C_6$ or $^9C_3$” …

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