Skip to content

Course home

Sign up

Algebraic Methods

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293
Question 52
a.

Prove that n2+n+17n^2 + n + 17n2+n+17 is prime for all integer values of n n\,n from 1 to 5 inclusive.

[3]
b.

Prove that n2+n+17n^2 + n + 17n2+n+17 is not prime for all values of nnn

[2]
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.

Question bank