Formulae (SL & HL)
Arithmetic Sequence
Increases or decreases by the addition of a numerical factor.
Arithmetic Sum
Geometric Sequence
Increases or decreases by the multiplication of a numerical factor.
Geometric Sum
Convergent Series
Keeps decreasing until it converges at one value e.g. geometric sequences.
Divergent Series
Keeps increasing till infinity e.g. arithmetic sequences.
Combinatorics
The number of way you choose r objects from n choices.
Permutations
Binomial Expansion
Binomial Expansion for Fractional Powers
Binomial Expansion for Negative Powers
Proof by Mathematical Induction