Note: This tutorial mainly targets O/L & A/L students. What does differentiation mean? I’d like to say, the purpose of differentiation is to find the derivative i.e. (dY/dX) For your information: X and Y can be substituted with any other letter! dY/dX is the gradient. And the gradient always tells you how Y changes with respect to X

Note: This tutorial mainly targets O/L & A/L students. What is a vector? A vector is a displacement that has a fixed length in a fixed direction. Also you can add vectors in any order as long as you know what you’re doing and don’t mess up. Yes! This is going to be more than just a tutorial. Let’s make this a quiz. I will do one whole question along with detailed workings. First try [...]

Note: This tutorial mainly targets O/L & A/L students. I know, we all know making the subject of (for example) x is a simple thing in a simple equation/sum – which basically anyone should be able to do. What about a hard/confusing one? This is going to be more than just a tutorial. Let’s make this a quiz. I will do 4 hard questions along with detailed workings. First try it yourself then check the [...]