Express n3−nn^3 - nn3−n as a product of three factors.
[2]
b.
Given that n n\,n is a positive integer, prove that n3−nn^3 - nn3−n is a multiple of 6.
[3]
Markscheme
1.5.6 Polynomials and rational expressions Questions
113 exam-style questions on AQA A Level Maths 1.5.6 Polynomials and rational expressions. Each one has a worked solution and a mark scheme showing where the marks go.