Problem 727

Evaluate ln 1




To evaluate ln 1, use the basic properties of logarithms . First recall that by the definition of the natural logarithm , ln x = log ex.

Note that the given express is the form log b1.

The basic property of logarithms states that for b > 0, b ≠ 1, log b1 =0.

Apply the property to the given expression.

ln 1 = 0

Therefore, ln 1 = 0.


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