CUET and UG exam CUET UG 2025 Mock Test Series Mathematics Differential Equations Formation of a Differential Equation
Which of the following differential equation represents the family of circles touching the x-axis at the origin ?
1
(x2 - y2)dy - 2xy dx = 0
2
(x2 + y2)dy + 2xy dx = 0
3
(x2 - y2)dx + 2xy dy = 0
4
(x2 + y2)dy - 2xy dx = 0