diff --git a/education/math/Logarithms.md b/education/math/Logarithms.md
index d0c8d0e..3bc9cef 100644
--- a/education/math/Logarithms.md
+++ b/education/math/Logarithms.md
@@ -34,3 +34,5 @@ $$ log_5 z = 3 $$
 $$ log_5 y = 2 $$$$log_5(yz) = log_5 y + log_5 z $$$$ 2 + 3 = 5 $$
 Exponents can be moved to the front of a logarithm
 $$ log_3 x^5 = 5*log_3 x $$
+Roots are just the inverse, so:
+$$ log_3 sqrt(x) = \frac{1}{2}*log_3x $$
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