Y2 Pure 1.1

Proof by contradiction

Intro: proof by contradiction

Proving √2 is irrational

Proving √3 is Irrational

+A1-13 (alternative method)

Proving the cube root of 2 is irrational

Proving there are infinitely many primes

Proof by contradiction examples

Extension

Y2 Pure 1.3

Partial fractions

Intro: partial fractions via substitution

+B10-05 (examples)

Partial fractions via comparing coefficients

THREE Partial Fractions

+B10-07 (examples)

EXTENSION: quadratic terms in the denominator

+B10-11 (examples)

Y2 Pure 1.5

Algebraic division

EXTENSION: improper fractions