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Algebraic Expressions

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Question 158

Given that x=165\displaystyle x = \frac{16}{5}x=516​ is a solution of the equation a2x−5=2x+1a^{2x-5} = 2^{x+1}a2x−5=2x+1, find the value of aaa.

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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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