Edexcel A level Maths: 9.10 Connected Rates of Change

Pearson A level maths, Pure year 2 textbook (9.10)

In this video I explain how to:

1. Set up a differential equation
2. Connected rates of change
3. Chain rule for differentiation
4. Solving modelling problems involving connected rates of change

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it's been hard doing remote learning for the past year, this video helped so much. Thank you ...

[issalid]

I cannot explain how much of a legend you are for this, thank you

[amysaunders]

Watching this the night before my paper 1 exam - you've just helped me so much!!!

[timothymutanda]

Writing my final on Wednesday qnd you just saved me my guy thank you

[kevlar]

Thanks man, you really helped me out before the exam

[muneebqureshi]

Sir how do you do the question, Prove, by using logarithms that d/dx(2^x) = 2^x ln2 ?

[riihanna]

i’ve got maths tomorrow watching this at 12 am wish me luck

[faizan]

would you not use product rule to differentiate (pi)(r^2)

[ifejohnson]

how did you use chain rule to differentiate dh/dt i don’t understand where it comes from