Solved example of properties of logarithms
Calculating the natural logarithm of $1$
Any expression multiplied by $0$ is equal to $0$
Using the power rule of logarithms: $\log_a(x^n)=n\cdot\log_a(x)$
Apply the formula: $\ln\left(e^x\right)$$=x$, where $x=4x$
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