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1.7.1 Binomial expansion

Find the first three terms, in ascending powers of $x$ , in the expansion of

3 + kx)^6

where $k$ is a positive constant.

[3]

Hence, given that the coefficient of $x^2$ is six times the coefficient of $x$ , find the value of $k$ .

[3]

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.

1.7.1 Binomial expansion

Question bank

Find the first three terms, in ascending powers of $x$ , in the expansion of

3 + kx)^6

where $k$ is a positive constant.

[3]

Hence, given that the coefficient of $x^2$ is six times the coefficient of $x$ , find the value of $k$ .

[3]

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.