How to differentiate a function?

I have a formula for differentiating a questions on differentiation

Step-by-step explanation:

I have not published it yet but can give a brief summary of it will later use it to solve questions here after publishing it

any time you a given a function or a question to differentiate always write it in this form y=am...will explain the rest later after publishing it. it works for all kind of differentiation questions like product or quotient type of questions