Rule of e

Reference > Algebra: Natural Logarithms

Description

The Rule of e states that:

\(\ln{e}=1\)
Examples
\[\ln{({e}^{3})}\]
1
Use Power Rule: \(\ln{({x}^{y})}=y\ln{x}\).
\[3\ln{e}\]

2
Use Rule of e: \(\ln{e}=1\).
\[3\times 1\]

3
Simplify.
\[3\]

Done

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