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Determine the term in the expansion of $(2x + \frac{1}{x^2})^6$ that does not contain $x$.
Mathematics 9709 · AS & A Level · Series
Series — practice question
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accurate expansion and simplification of $6C4\times[2(x)]^4\times\left[\frac{1}{x^2}\right]^2$” …
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