📘 algebra, calculus, geometry

1. Problem: Find the total number of students in the radiology class given the numbers who understand X-ray, USG, both, and neither. Formula: Use the principle of inclusion-exclusi

1. The problem involves multiple expressions and questions related to algebra, calculus, and geometry. 2. For the ellipse equation $$\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$$, this r