Specialist Mathematics · Unit 1 · Introduction to proof · Rational and irrational numbers

Prove results involving integers, e.g. proving that the product of two consecutive odd numbers is an odd number and 5𝑛2 + 3𝑛 + 6 ∀𝑛 ∈ ℤ is an even number.

Learning objective 3 of 3 in this subtopic