CIE A Level Maths: Pure 1复习笔记5.2.7 Connected Rates of Change
Connected Rates of Change
What are connected rates of change?
- In situations involving more than two variables you can use the chain rule to connect multiple rates of change into a single equation
Exam Tip
- These problems can involve a lot of letters – be sure to keep track of what they all refer to.
- Be especially sure that you are clear about which letters are variables and which are constants – these behave very differently when differentiation is involved!
Worked Example
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