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## Main Question or Discussion Point

Can anybody recommend a good site to bone up on differentiating and integrating ln and e functions?

- Thread starter Mitchtwitchita
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- #1

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Can anybody recommend a good site to bone up on differentiating and integrating ln and e functions?

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HallsofIvy

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Any good Calculus book should do it!

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d/dx[a^u] = (u' a^u)*ln(a) for all bases, a, greater than 0

Which for e, simplifies to:

d/dx[e^u] = u' e^u

Integral is just the opposite, of course.

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