Y =
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Use the chain rule: In your case you have and
Fernando Revilla Edited: Sorry, I didn't see e^(i*pi)'s post.
You can also write this as to use the "power law" and the chain rule.
Is this the final answer?
How do I expand on this?
Yes that's fine, I wouldn't bother expanding that though.
Originally Posted by HNCMATHS Is this the final answer? Let's see! From the Chain Rule So you see, those fast methods can be quite useful as an alternative to messing with fractional indices!
Originally Posted by HallsofIvy You can also write this as to use the "power law" and the chain rule. HI Halls of Ivy it is this method I would like you to expand on please, Thanks
Originally Posted by HNCMATHS HI Halls of Ivy it is this method I would like you to expand on please, Thanks Have you been taught the chain rule? Your class notes and textbook will have many examples for you to follow and relate to the question you posted.
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