Practice Log Equations B

puremath

New member
Find all the real-number roots. Give an exact expression for the root and also (where approbiate) a calculator approximation rounded to three decimal places.

Can you start each one up for me?

20200304_110857.jpg
 

MarkFL

La Villa Strangiato
Math Helper
This is nearly identical to the questions in the previous thread.
 

MarkFL

La Villa Strangiato
Math Helper
[MATH]\ln^2(x)=3[/MATH]
[MATH]\ln(x)=\pm\sqrt{3}[/MATH]
Can you proceed?
 

MarkFL

La Villa Strangiato
Math Helper
[MATH]x=e^{\pm\sqrt{3}}[/MATH]
 
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