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Algebraic Expressions

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Question 89

Find the value of x x\,x such that

8x+1=(14)3x−1 8^{x+1} = \left(\frac{1}{4}\right)^{3x-1} 8x+1=(41​)3x−1

Give your answer in exact form.

[3]
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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