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Algebraic Methods

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Question 13

Jacob believes that for all positive integers n3+n+2n^3 + n + 2n3+n+2 is a multiple of 4.

Which value of n n\,n shown below is a counter example to Dan’s belief?

n=2n=3n=4n=5 n = 2 \quad n = 3 \quad n = 4 \quad n = 5 n=2n=3n=4n=5
[1]

Algebraic Methods Questions

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

Practise Edexcel A Level Maths Algebraic Methods with exam-style questions for A Level Maths. 261 questions covering 7.1 Algebraic Fractions, 7.2 Dividing Polynomials, 7.3 The Factor Theorem, 7.4 Mathematical Proof, and 7.5 Methods of Proof, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

Question bank