A-Level Maths - Pure/Core 2
- 01 Simplifying Rational Algebraic Expr
- 02 Multip / Divide Algebraic Fractions
- 03 Adding / Subtracting Algebraic Fractions
- 04 Solving Equations with Algebraic Fractions
- 05 Functions
- 06 Function RANGE and DOMAIN
- 07 Graphing a Function
- 08 Composite Functions
- 09 Inverse Functions
- 10 Modulus Functions
- 11 Transformations of functions on graphs
- 12 Solving Equations using graphs
- 13 Recurrence Relation
- 14 Binomial Expansion - Pascals Triangle
- 15 Binomial Expansion - nCr
- 16 Binomial Expansion - Formula
- 17 Trig - Sec, Cosec, Cot & Graphs
- 18 Trig - ARC Inverse Trig & graphs
- 19 Trig - Identities (using Pythagoras)
- 20 Trig - Addition (sub) Formulae 2 angles
Find the number of ways of choosing r unordered outcomes from n possibilities as nCr (or nCk). Combinations calculator or binomial coefficient calcator and combinations formula. Free online combinations calculator.
