(i)[2]
Determine the coefficient of $x$ in the expansion of $(2x - \frac{1}{x})^5$.
(ii)[4]
Therefore, find the coefficient of $x$ in the expansion of $(1 + 3x^2)(2x - \frac{1}{x})^5$.
Mathematics 9709 · AS & A Level · Series
Mathematics 9709 · AS & A Level · Series
Determine the coefficient of $x$ in the expansion of $(2x - \frac{1}{x})^5$.
Therefore, find the coefficient of $x$ in the expansion of $(1 + 3x^2)(2x - \frac{1}{x})^5$.