Add missed rewrite possibility to TODO list (remove common factors in division)

b6e11032 · Sander Mathijs van Veen · afd91740 · b6e11032
Commit b6e11032 authored Oct 21, 2012 by Sander Mathijs van Veen
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--- a/TODO
+++ b/TODO
@@ -42,3 +42,7 @@

 - Add parentheses to functions: "sin(x)" instead of "sin x"
 - [((x+3)^5+4)^2]': chain rule should be executed first
+
+
+- Missed rewrite possibility:
+  (4x) / (2x ^ 2 - 2y ^ 2)  ->  (2x) / (x ^ 2 - y ^ 2)