Proof: The Derivative of ln(x)=1/x by First Principles

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In this math calculus video, I will show you how to prove that the derivative of ln(x)=1/x from first principles. We shall also apply the rules of exponents and the rules of natural logarithms
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Great video. Explained everything very well

moseistrujillo
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Another simpler proof is as follows:
Let y = ln(x). Therefore,
e^y = x
e^y dy = dx
dy/dx = 1/e^y = 1/x

dsgowo