Mathematics 9709 · AS & A Level · Algebra

Algebra — practice question

(a)[4]

Expand $(6 - x)(1 - 2x)^{-\frac{3}{2}}$ in ascending powers of $x$, up to and including the term in $x^2$, with the coefficients simplified.

(b)[1]

State the set of $x$ values for which the expansion is valid.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: Find the first two terms in the expansion of $(1-2x)^{-3/2}$

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