Course home

1.7.1 Binomial expansion

Find the first two terms, in ascending powers of $u$ , of the binomial expansion of

2u)^{\frac{1}{3}}

[2]

Hence, for small values of $x$ , show that

\cos 3x + \sqrt[3]{1 - x^2} \approx A + Bx + Cx^2

where $A$ , $B$ and $C$ are constants to be found.

[5]

1.7.1 Binomial expansion Questions

144 exam-style questions on AQA A Level Maths 1.7.1 Binomial expansion. Each one has a worked solution and a mark scheme showing where the marks go.

Find the first two terms, in ascending powers of $u$ , of the binomial expansion of

2u)^{\frac{1}{3}}

[2]

Hence, for small values of $x$ , show that

\cos 3x + \sqrt[3]{1 - x^2} \approx A + Bx + Cx^2

where $A$ , $B$ and $C$ are constants to be found.

[5]

144 exam-style questions on AQA A Level Maths 1.7.1 Binomial expansion. Each one has a worked solution and a mark scheme showing where the marks go.