by Gary Thomson | Oct 19, 2022 | Techniques & Tips

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...
by Gary Thomson | Oct 10, 2022 | Techniques & Tips

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...