diff --git a/College/AU 26/MATH 224 (Multivar)/Class 10-2.md b/College/AU 26/MATH 224 (Multivar)/Class 10-2.md
index 3c70e0e..2efe3fa 100644
--- a/College/AU 26/MATH 224 (Multivar)/Class 10-2.md	
+++ b/College/AU 26/MATH 224 (Multivar)/Class 10-2.md	
@@ -1,2 +1,6 @@
 #uw/notes #uw/class/math224
 - - -
+- definite integral represents the signed area between a function and the x axis between the two bounds
+	- $\int_{a}^b f(x) dx$
+	- for functions with one variable
+- 
\ No newline at end of file