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1.2 Algebra and Functions

1.2 Algebra and Functions

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Question 29

It is given that n n\,n is an integer.

One of the expressions below is even for every value of nnn.

Identify this expression.

Tick one box.

A

2n+12n + 12n+1

B

n2+nn^2 + nn2+n

C

n2+1n^2 + 1n2+1

D

3n3n3n

Markscheme

1.2 Algebra and Functions Questions

  1. A Level
  2. /Maths
  3. /1.2 Algebra and Functions

302 exam-style questions on WJEC A Level Maths 1.2 Algebra and Functions, covering 1.2.1 Algebra and Functions, 1.2.2 Algebra and Functions, 1.2.3 Algebra and Functions, 1.2.4 Algebra and Functions, 1.2.5 Algebra and Functions, 1.2.6 Algebra and Functions, 1.2.7 Algebra and Functions, 1.2.8 Algebra and Functions, 1.2.9 Algebra and Functions, 1.2.10 Algebra and Functions, 1.2.11 Algebra and Functions, and 1.2.12 Algebra and Functions. Each one has a worked solution and a mark scheme showing where the marks go.

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