Update app.py

app.py

@@ -812,11 +812,10 @@ 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. If you specify a quadrant restriction (e.g. "in the first quadrant") 
-in a problem with calculating area between lines/curves or volume between surfaces,
-make sure the question is CLEAR about what regions you intend the solution.
-- NOT CLEAR example: "Find the area of the region bounded by the curves y = sin(x), y = cos(x), and x = 7*pi/4 in the first quadrant."
-- CLEAR example: "Find the area of the region bounded by the curves y = sin(x), y = cos(x), and x = 7*pi/4. Then find the area of that region that intersects with the first quadrant."
+10. If you specify a quadrant restriction (e.g. "in the first quadrant") in a problem with calculating area between lines/curves or volume between surfaces,
+make sure the question is CLEAR about what regions you intend to be included in the solution, by breaking up the question. Examples:
+- NOT CLEAR question: Find the area of the region bounded by the curves y = sin(x), y = cos(x), and x = 7*pi/4 in the first quadrant.
+- CLEAR question: Find the area of the region bounded by the curves y = sin(x), y = cos(x), and x = 7*pi/4. Then find the area of that region that intersects with the first quadrant.
 
 11. When finding critical points in multivariable calculus:
    - Always check what happens when any variable equals zero (except where undefined)