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Algebraic Methods

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Question 133

N N\,N is an integer and N2 N^2\,N2 is of the form 3p+13p + 13p+1, where p p\,p is an integer. Prove that N N\,N is not divisible by 3.

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Markscheme

Algebraic Methods Questions

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

257 exam-style questions on Edexcel A Level Maths Algebraic Methods, covering 7.1 Algebraic Fractions, 7.2 Dividing Polynomials, 7.3 The Factor Theorem, 7.4 Mathematical Proof, and 7.5 Methods of Proof. Each one has a worked solution and a mark scheme showing where the marks go.

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