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# C3 Chain rule - differentiation. watch

1. Use the chain rule to differentiate:
.

I think i've managed to work through it but some confirmation of whether I'm correct or not would be nice. I got:

Do you think that this question needs to be put into a different form or if it can be simplified any further?
2. Well you could factorise out of the first bracket, but other than that I don't see why it should be simplified any further. If you wanted to be really silly about it you could take out as well, meaning you get:

But that's pushing it.
3. (Original post by nuodai)
Well you could factorise out of the first bracket, but other than that I don't see why it should be simplified any further. If you wanted to be really silly about it you could take out as well, meaning you get:

But that's pushing it.
Seconded.
4. (Original post by Farhan.Hanif93)
Use the chain rule to differentiate:
.

I think i've managed to work through it but some confirmation of whether I'm correct or not would be nice. I got:

Do you think that this question needs to be put into a different form or if it can be simplified any further?
Looks good to me.

Am I dreaming or can it go to
5. No - I'm dreaming - I missed the square on the final bracket. Sorry
6. Thanks for the help guys

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