April 2015
Beginner
400 pages
8h 45m
English
e = 2.71828 18284 (Figure C.1)
ex ey = ex+y
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(ex)y = exy

Figure C.1 Exponential function ex.
ln x is the inverse of ex and has base e (Figure C.2) and
eln x = x
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ln(xy) = ln x + ln y
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ln(xa) = a ln x
Figure C.2 Natural logarithm (ln x).
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