Thread: Calculus chain rule questions

Hi I have a few calculus questions, could you please explain how to get the final answer too, thanks.

Derivative of :

dy/dx here

dy/dx here

dy/dt here

Originally Posted by KK88

Hi I have a few calculus questions, could you please explain how to get the final answer too, thanks.

Derivative of :

Chain rule of the chain rule with a product rule


chain rule

dy/dx here
chain rule

dy/dx here
product rule with chain

dy/dt here
chain

You haven't attempted much so start by trying that.

Ok I figured out the middle three but I cannot quite get the first one and last one

I am not going to simplify that.

Thanks for the responses.
The second one is correct however I still cant get the first one right, I input this:

The first one is correct too. Here is the maple output.

You need to have this quantity in parenthesis.
(2xcos(x)-x^2sin(x))

Thanks that did it.