Jee main 2018

Hello,
You can look below for chapter wise weightage of maths in jee mains:
Inverse Trigonometric Functions Weightage: 2% Circles and Family of Circles Weightage: 6% Sequence and Series Weightage: 5% Applications of Derivative Weightage: 4% Limit and Continuity Weightage: 3% Matrices and Determinants Weightage: 4% Straight Lines and Pair of Straight Lines Weightage: 2% 3-D Geometry Weightage: 5% Probability and Statistics Weightage: 7% Vector Algebra Weightage: 5% Integration Weightage: 8% (Definite + Indefinite integration) Complex Numbers Weightage: 5%    Parabola Weightage: 3% Trigonometric Ratios Weightage: 3% Logarithms Weightage: 1% Quadratic Equations Theory of Equations Weightage: 5% Sets, Relations and Functions Weightage: 4% Differentiation 2% Permutation and Combination Weightage: 2% Binomial Theorem Weightage: 1% Locus Hyperbola Weightage: 2% Ellipse Weightage: 2% Fundamentals of Mathematics Solution of Triangle 1%..

• Note- It can vary also in the jee mains exam as this weightage is prepared according to previous years question papers of jee mains.

You can check below weightage of important topics in maths for JEE Main below based on 2017 analysis

Mathematics

Co-ordinate Geometry (3-D)- 6.67%
Application of Derivatives- 6.67%
Functions- 6.67%
Matrix & Determinants- 6.67%
Probability- 6.67%

Good Luck!!