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This video tells you all you need to know about collinearity of points, and how to find whether given points are collinear or not.

We know about Arithmetic mean. In this video, we'll also learn about Geometric mean. Both of them are more alike than they look.

In this video you will understand how to solve All tough projectile motion question, either it's from IAL or GCE Edexcel, Cambridge, ...

What are rational functions? How do we plot them? What is their domain and range? Let's find out. We break down the definition ...

In this video, we'll learn how to classify events as impossible and sure. Some events will always occur. They're call sure events.

Using what we know about ordered pairs, and cartesian product of sets, we finally define what a relation is between two sets.

This video will give us another way to classify events - simple and compound. The events that are made up of only one sample ...

This video looks at Identity and constant functions. We define them, draw them out, and find their domain and range. We break ...

In this video, we try to understand the 3D world a little better. We start by breaking down what we mean by the word 'dimension' in ...

In this video, we'll solve two problems where we find the limit of functins from first principle. Through these problems, we'll learn ...

In this video, we apply the shortcut (step-deviation) method to calculate the mean, variance, and standard deviation for continuous ...

This video explains the derivation of the shortcut method, also known as the step-deviation method, for calculating variance and ...

We finally talk about the operator Factorial. We understand its applications and solve some problems involving its simplifications.

In this video, we look at a few examples of well-defined lists of objects - which we call sets. We then define what sets are before ...

What is the relationship between AM and GM? Which one is greater than the other? Let's find out. We first tackle a concrete ...

What are polynomial functions? How do we draw them? What's their domain and range. Let's find that out in this video. We break ...

In this video, we'll give an overview of the topic 'Events'. What are they? How do we know when an event has occurred? How do ...

This video showcases two ways of representing sets. Roster method (which is when we write down the answers) and Set - builder ...

If you have your IB Diploma exams in May 2026, we have intensive revision courses designed to help you feel much more ...

This video talks about brackets (both open and closed) as a way to describe intervals as subsets of R. We also look at a few ...