Master Factorising

Master Factorising

What is Factorising? Factorising is the process of writing an algebraic expression as a product of factors – similar to how the number 15 can be written as 5 x 3, where 5 and 3 are both factors of 15. Factorising algebraic expressions involves using one or more...
The Chain Rule

The Chain Rule

What is the Chain Rule? The Chain Rule is used to differentiate composite functions. A COMPOSITE FUNCTION is a ‘function inside a function’ but they can take many forms. The challenge with The Chain Rule is not just using the rule, but knowing when it can...