What is ln(-3)? Explain.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.4: Logarithmic Functions
Problem 85E
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What is ln(-3)? Explain.

Expert Solution
Step 1

We  have given ln-3.

We know that lnx is defined if x>0.

Domain of lnx is (0,).

Therefore, input value to  lnx can't be negative.

Here, ln-3 is not defined as lnx is defined only when x>0.

 

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