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Mathematics 17 Online
OpenStudy (anonymous):

Professor said I don't need to use the definition of the derivative for these questions. How should I solve? 1) f(x)= (2-x)/(1+x) 2) f(x)= x sinx

OpenStudy (anonymous):

Solve for what?

OpenStudy (anonymous):

Find f'(x) from first principles

OpenStudy (anonymous):

Wait, axiomatically?! Unless you're proving the definition of derivative... Actually, I don't even know what it means to find the derivative without using a derivative. If you mean by logical arguments... I think I *may* understand you, apart from that...

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