Mathematics A-Level
Factorial and combination notation
What Factorial and combination notation means in Mathematics A-Level, as defined for AQA.
Definition of Factorial and combination notation
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Reference: AQA
The notations n!, nCr and n r are used, with binomial coefficients nCr equal to n! divided by r! times (n−r)!.
Topics that use Factorial and combination notation
- D: Sequences and series (AQA A-Level)
Related terms
- Arithmetic sequence
- common difference
- Convergence and limiting sums
- Convergent geometric series
- Distinguishing between arithmetic and geometric change
- Geometric sequence
- Interpreting and evaluating mathematical models
- Lower limit
Using Factorial and combination notation in the exam
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