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1.1 Proof

1.1 Proof

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Question 2

Let x>0x>0x>0, y>0y>0y>0, a>0 a>0\,a>0 and a≠1a\ne1a=1.

Starting from the definition of a logarithm, prove that log⁡a(xy)=log⁡ax+log⁡ay\log_a(xy)=\log_a x+\log_a yloga​(xy)=loga​x+loga​y.

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Markscheme

1.1 Proof Questions

  1. A Level
  2. /Maths
  3. /1.1 Proof

8 exam-style questions on WJEC A Level Maths 1.1 Proof, covering 1.1.1 Proof, 1.1.2 Proof, 1.1.3 Proof, and 1.1 Proof. Each one has a worked solution and a mark scheme showing where the marks go.

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