ln(4*r^2)=3

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Solution for ln(4*r^2)=3 equation: 


Simplifying
ln(4r2) = 3

Remove parenthesis around (4r2)
ln * 4r2 = 3

Reorder the terms for easier multiplication:
4ln * r2 = 3

Multiply ln * r2
4lnr2 = 3

Solving
4lnr2 = 3

Solving for variable 'l'.

Move all terms containing l to the left, all other terms to the right.

Divide each side by '4nr2'.
l = 0.75n-1r-2

Simplifying
l = 0.75n-1r-2

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