hello aspirant,

i would like to tell you that you need not to worry about scoring 40 marks in Mathematics in JEE mains, because by following the right and strategic tips and strategies, you can even score 80+ marks in JEE mains Mathematics alone.

Understanding the logic and reasoning behind the how and why of a question will help you better understand a topic. For this reason, you should attempt JEE Mains mock tests and solve previous year question papers . The more question papers you attempt, the more you will be in understanding the basics of mathematics.

Further, below i can give you some last tips that you can follow to improve your JEE mathematics concepts ;

1. Read Books / Attend Class regularly.
2. Make notes / short notes properly.
3. Revise and Practice Questions.
4. Build your Concepts and Confidence.
5. Mark Important Questions.

Further, below i am listing some of the easiest and important chapters that you can follow to get good marks in JEE mains mathematics :

• Mathematical Reasonong- 4marks.
• Matrices and Determinant- 8 marks.
• Sets,Relation and function – 8 marks.
• Vector and 3D– 8 marks.
• Quadratic equation– 4 Marks.
• Area – 4 marks.
• Limit , continuity and derivability–8 marks.
• Conic section – 12 marks.

Further, to know more of the easiest chapters in all subject in JEE mains, you can follow the below mentioned link to know more :

https://engineering.careers360.com/articles/most-easy-and-scoring-chapters-for-jee-main

Further, to know more about the preparation tips and strategies for JEE mains, follow the below link : https://engineering.careers360.com/articles/jee-main-preparation-tips

I hope that this will help.