AQA A Level Maths: Pure复习笔记7.3.4 Product Rule

Product Rule

What is the product rule?7.3.4-Product-Rule-Eg

Exam Tip

  • The product rule formulae are NOT in the  formulae booklet – you need to know them.
  • Don't confuse the product of two functions with a composite function:
    • The product of two functions is two functions multiplied together
    • A composite function is a function of a function

7.3.4-Product-Rule-Prod-Comp-Illustr

  • To differentiate composite functions you need to use the chain rule

Worked Example

7.3.4-Product-Rule-Example

 

 

 

 

 

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