Rational and irrational numbers

Specialist Mathematics · Unit 1 — Combinatorics, proof, vectors and matrices · Introduction to proof

Learning objectives (3)

LO-1Express rational numbers as terminating or eventually recurring decimals and vice versa.LO-2Prove irrationality by contradiction.LO-3Prove 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.

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