(i)[3]
The first three terms in the binomial expansion of $(2x - \frac{1}{2x})^5$ are $32x^5 - 40x^3 + 20x$. Find the other three terms of the expansion.
(ii)[2]
Hence, find the coefficient of $x$ in the expanded form of $(1 + 4x^2)(2x - \frac{1}{2x})^5$.