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  • Perplex
    IB Math AAHL
    /
    Counting & Binomials
    /

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    Video Review

    Watch comprehensive review videos for most units, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.

    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    Counting & Binomials

    Video Review

    Watch comprehensive review videos for Counting & Binomials, designed for final exam preparation. Each video includes integrated problems you can solve alongside detailed solutions.

    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    Not your average video:

    Interactive Problems: Solve problems alongside the video with step-by-step guidance and detailed solutions.

    Exam Preparation: Complete unit reviews designed for final exam preparation with all key concepts covered systematically.

    Expert Teaching: High-quality instruction from Perplex co-founder James Mullen with clear explanations, worked examples, and exam tips.

    Timeline

    SL THEORY

    Factorials

    00:32

    Exercise

    02:39

    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

    Exercise

    27:47

    Finding the coefficient of a specific term

    30:05

    Exercise

    33:28

    BINOMIAL PROBLEMS

    Problem

    35:03

    Problem

    38:57

    Problem

    43:06

    Problem

    50:56

    Problem

    56:40

    COUNTING (HL)

    Ordering items

    1:07:47

    Exercise

    1:09:10

    Permutations

    1:09:29

    Exercise

    1:15:13

    Combinations

    1:15:56

    Exercise

    1:17:59

    Problem

    1:18:16

    Counting principles

    1:25:36

    Exercise

    1:27:30

    Problem

    1:29:10

    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

    Problem

    1:39:09

    Problem

    1:46:15

    Problem

    1:50:45

    Problem

    1:53:40

    Problem

    2:08:54

    Problem

    2:18:13

    SL TheoryBinomial ProblemsCounting (HL)

    The video will automatically pause when it reaches a problem.

    SL TheoryBinomial ProblemsCounting (HL)