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1: Algebra
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Counting & Binomials

Counting & Binomials

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Timeline

SL THEORY

Factorials

00:32

Consider the expansion of \(\left(a+b\right)^3\):

04:18

The notation \(^nC\_r\), or "\(n\) choose \(r\)",

15:04

Binomial Coefficient nCr

21:31

Pascal's Triangle

23:16

Connection between nCr and Pascal's Triangle

24:22

The expansion of (a+b)ⁿ

26:02

Finding the coefficient of a specific term

30:05

BINOMIAL PROBLEMS

COUNTING (HL)

Ordering items

1:07:47

Permutations

1:09:29

Exercise

1:15:13

Combinations

1:15:56

Exercise

1:17:59

Counting principles

1:25:36

Exercise

1:27:30

Orderings where certain items need to stay together

1:34:03

Orderings where certain items need to stay apart

1:35:04

Complementary events

1:36:13

SL TheoryBinomial ProblemsCounting (HL)

The video will automatically pause when it reaches a problem.

SL TheoryBinomial ProblemsCounting (HL)