Factorial Notation (Lesson 39) | AS Level Pure Maths | MathsWithHarry

In this video we look at what is meant by factorials, what 0! is, how to use combinations and factorials to help us expand binomial expansions and how Pascals Triangle relates to combinations. Thank you for watching this MathsWithHarry video. To find out when new topics are being released, please visit the video schedule: https://docs.google.com/spreadsheets/... Follow MathsWithHarry on social media: Instagram:   / mathswithharry   TikTok:   / mathswithharry   Subscribe:    / @mathswithharry8347   Follow Harry on his personal social media: Instagram:   / harrysurplus   TikTok:   / harrysurplus   Twitter:   / harrysurplus   Subscribe:    / @harrysurplus   MathsWithHarry lessons are taught using the Edexcel AS and A Level Mathematics textbooks. The lessons are based on the Edexcel syllabus, however, they can also be used for other syllabuses/exam boards too. MathsWithHarry is a brand new YouTube channel created by Mathematics student and YouTuber Harry Surplus. Harry is currently studying a Maths degree at The University of Manchester. Over the years of his studies, Harry has found a passion for his subject, especially teaching it! So, he wants to pass on his love and passion for the subject and teaching with his new channel. In 2018 Harry achieved a grade 9 in GCSE Maths. Then, in 2019 sat his A Level Maths in one year and achieved a grade A. In 2020 Harry achieved a grade A in A Level Further Maths, also sitting the course in one year. He is fully equipped to help you with your studies! Subscribe for online maths lessons with Harry. DISCLAIMER: I am only human! If you think you have found an error, please send an email to [email protected] with the title of the video and the time in the video. I will add a comment on the video with a correction. Thank you!