Dear student,

The order of Maths chapter for jee is :-

Set

Relation and Functions ( some coaching this is in 12)

Sequence and Series

Complex Numbers ( acc to NCERT)

Quadratic Equations and Equality

Permutation and Combination

Mathematical Induction

Binomial Theorem

Trigonometry Functions and its Equations

Coordination Geometry

Straight Line

Circles

Conic sections

Introduction to 3 Dimensional Geometry

Limits and Derivatives

Mathematical Reasoning

Statistics

Fundamentals of Properties

12th Class

Matrix and Determinant

Inverse Trigonometric Functions

Limits, Continuity and Differentiability

Differentiation

Applications of Derivatives

Indefinite Integration

Definite Integration

Differential Equations

Vector Algebra

3 Dimensional Geometry

Advanced Probability

These are typical JEE syllabus covering order for maths. It can vary from coaching or self study.