State the range of values of xxx for which the binomial expansion of
1−x53
\sqrt[3]{1 - \frac{x}{5}}
31−5x
is valid.
[2]
Markscheme
Binomial Expansion Questions
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.