Find the first three terms of the expansion of (27−9x3)13\displaystyle (27 - 9x^3)^{\frac{1}{3}}(27−9x3)31 in ascending powers of xxx.
408 exam-style questions on Edexcel A Level Maths Binomial Expansion, covering 4.1 Expanding (1 + x)^n, 4.2 Expanding (a + bx)^n, and 4.3 Using Partial Fractions. Each one has a worked solution and a mark scheme showing where the marks go.