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3.7.4 Integration (A-level only)

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Question 64

Find

\int x^2e^{2x} \, dx

[4]

ii.

Use the substitution $\sqrt{2x + 1}$ to show that

\int \frac{12x}{\sqrt{2x + 1}} \, dx = 2(2x + 1)^{\frac{1}{2}}(Ax + B) + k

where $A$ and $B$ are integers to be found and $k$ is an arbitrary constant.

[6]

Markscheme

3.7.4 Integration (A-level only) Questions

A Level
Maths
3.7.4 Integration (A-level only)

111 exam-style questions on WJEC A Level Maths 3.7.4 Integration (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

3.7.4 Integration (A-level only)

Question bank

3.7.4 Integration (A-level only)

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Question 64

Find

\int x^2e^{2x} \, dx

[4]

ii.

Use the substitution $\sqrt{2x + 1}$ to show that

\int \frac{12x}{\sqrt{2x + 1}} \, dx = 2(2x + 1)^{\frac{1}{2}}(Ax + B) + k

where $A$ and $B$ are integers to be found and $k$ is an arbitrary constant.

[6]

Markscheme

3.7.4 Integration (A-level only) Questions

A Level
Maths
3.7.4 Integration (A-level only)

111 exam-style questions on WJEC A Level Maths 3.7.4 Integration (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.