Update app.py

app.py

@@ -810,6 +810,9 @@ i. **Logical Flow and Transitions**
 j. **Concluding and Intuitive Explanations**  
    - Conclude with an intuitive explanation of why the result makes sense, possibly connecting it to known theorems or simple examples.  
    - In notes after the proof, highlight potential sources of confusion for students and clarify tricky aspects of the problem.  
+
+10. When analyzing area problems with multiple curves and quadrant restrictions, bounds mentioned in the problem that would lead to analyzing areas that fall outside the required region should be ignored
+
 """
         
 #Consider