Mathematics
Differential equations for JEE Main & Advanced — formation and order reduction
How JEE frames DEs from family of curves, and what to standardise before integration at each paper level.
On JEE Main
Main tests variable separable, linear first-order (integrating factor), and homogeneous types in single-correct MCQ format. Order and degree questions appear regularly; sloppy differentiation shortcuts cause wrong degree answers.
On JEE Advanced
Advanced uses multi-correct and integer formats where the DE is derived from a geometric condition (tangent, normal, arc length), requiring formation before solution. Watch for lost solutions when dividing by a variable.
How to practise
Use PracticeJEE's Differential Equations topic when you want compact drills after class notes.
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