Problem Statement:Which of the following equations is a variable separable DE?
A. (x + x2 y) dy = (2x + xy2) dx
B. (x + y) dx – 2y dy = 0
C. 2y dx = (x2 + 1) dy
D. y2 dx + (2x – 3y) dy = 0
The variable separable DE is C. 2y dx = (x2 + 1) dy.Solution: