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Algebraic Methods

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Question 78

Given that n2−n+3=93n^2 - n + 3 = 93n2−n+3=93, find the possible values of n n\,n and hence disprove the statement: n2−n+3n^2 - n + 3n2−n+3 is a prime number for all values of nnn

[3]
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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