9709 P31 - Jun 2022 - Q2
2038
(a) Expand \((2 - x^2)^{-2}\) in ascending powers of \(x\), up to and including the term in \(x^4\), simplifying the coefficients.
(b) State the set of values of \(x\) for which the expansion is valid.
Solutions locked. Please sign in with access to view them.