Lesson 2: Factorials Explained in 10 Minutes (n! Made EASY for Exams!)-GCSE Math

Описание: What is a factorial?
In this quick math lesson, I explain Factorials (n!) in the simplest way possible using real exam-based examples. Perfect for IGCSE, GCSE, IB, SAT, college math, and beginners.

You will learn:
✔ What n! means
✔ How to compute factorials fast
✔ Common mistakes students make
✔ Exam-style questions and step-by-step solutions

If you are struggling with sequences, combinations, permutations, or probability — this lesson will help you build a strong foundation.

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