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Algebraic Expressions

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Question 59
a.

Write both sides of

8x+1=43x−1 8^{x+1}=4^{3x-1} 8x+1=43x−1

as powers of 2.

[1]
b.

Hence find the value of xxx.

[2]
Markscheme

Algebraic Expressions Questions

  1. A Level
  2. /Maths
  3. /Algebraic Expressions

233 exam-style questions on Edexcel A Level Maths Algebraic Expressions, covering 1.1 Index Laws, 1.2 Expanding Brackets, 1.3 Factorising, 1.4 Negative and Fractional Indices, and 1.5 Surds. Each one has a worked solution and a mark scheme showing where the marks go.

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