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3.1.1 Proof (A-level only)

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Question 85

An engineer studying signal processing identifies a scaling factor $S = \log_{2} 3$ .

Use the method of proof by contradiction to prove that $S$ is an irrational number.

[3]

Markscheme

3.1.1 Proof (A-level only) Questions

A Level
Maths
3.1.1 Proof (A-level only)

107 exam-style questions on WJEC A Level Maths 3.1.1 Proof (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

3.1.1 Proof (A-level only)

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3.1.1 Proof (A-level only)

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Question 85

An engineer studying signal processing identifies a scaling factor $S = \log_{2} 3$ .

Use the method of proof by contradiction to prove that $S$ is an irrational number.

[3]

Markscheme

3.1.1 Proof (A-level only) Questions

A Level
Maths
3.1.1 Proof (A-level only)

107 exam-style questions on WJEC A Level Maths 3.1.1 Proof (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.