Work out the first four terms, in ascending powers of xxx, in the binomial expansion of 1(1+x)3\displaystyle \frac{1}{(1+x)^3}(1+x)31
Practise Edexcel A Level Maths 4.1 Expanding (1 + x)^n with exam-style questions for A Level Maths. 12 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.