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Algebraic Expressions

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Question 13

Find, using algebra, all the real solutions to the equation

i.

a2=aa^2 = \sqrt{a}a2=a​

[3]
ii.

b4−2b2−3=0b^4 - 2b^2 - 3 = 0b4−2b2−3=0

[4]
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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