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5.24.3 Expanding logarithms: lnexpand

The logarithm applied to a product can be converted into a sum of logarithms; namely,

log(x· y) = log(x) + log(y)

The lnexpand command does this expansion.

Example.

Input:

lnexpand(ln(3*x^2)+ln(2*x+2))

Output:

ln
3
+2 ln
x
+ln
2
+ln
x+1

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