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Algebraic Expressions

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Question 20
i.

Solve the equation

x+48=x3 x + \sqrt{48} = x\sqrt{3} x+48​=x3​

giving your answer in the form a+b3a+b\sqrt{3}a+b3​, where a a\,a and b b\,b are integers.

[3]
ii.

Solve the equation, giving your answer as an exact fraction

93x−1=93 9^{3x-1} = 9\sqrt{3} 93x−1=93​
[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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