Work out the first four terms, in ascending powers of xxx, in the binomial expansion of 1(1+x)4\displaystyle \frac{1}{(1+x)^4}(1+x)41
99 exam-style questions on Edexcel A Level Maths 4.2 Expanding (a + bx)^n. Each one has a worked solution and a mark scheme showing where the marks go.