I understand the product rule and how to use it, but I've been told to prove it, and I don't really know how. Could I be helped with this? Thank you
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Shouldn't be too hard Here's the start Now by we have can you take it from here?
I have understood what you have done using the calculus theorem, however I don't know what to do from were you have left it, usually the ' 's would cancel out, Sorry, could you give more clues
There's only a couple of steps left to the proof, I don't want to spoil it completely! here's a little bit more Now factor out and in groups.
I may have got it I think, but can be written as as h tends to zero thus as h tends to zero am I correct?
Nice work!
wahay, kinda guessed that, thank you very much
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