diff --git a/education/math/MATH1210 (calc 1)/Limits.md b/education/math/MATH1210 (calc 1)/Limits.md
index 8e3c4e4..124c5c9 100644
--- a/education/math/MATH1210 (calc 1)/Limits.md	
+++ b/education/math/MATH1210 (calc 1)/Limits.md	
@@ -90,4 +90,6 @@ L'Hospital's rule **cannot** be used in any other circumstance.
 ## Examples
 1. $\lim_{x \ to 0} \dfrac{7^x - 5^x}{2x}$
 2. $= \lim_{x \ to 0}\dfrac{7^x \ln(7) -5^x(\ln(5)}{2}$
-3. $= \dfrac{\ln(7) - \ln(5)}{2}$ 
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+3. $= \dfrac{\ln(7) - \ln(5)}{2}$ 
+# Indeterminate form $(0 * \infty)$
+If the $\lim_{x \to a}f(x) = 0$  and $\lim_{x\to a} g(x) = \infty$ then $\lim_{x \to a}(f(x) * g(x)$ 
\ No newline at end of file