For JEE Mains 2025 preparation, here are some reliable sources where you can download formula books for different subjects:

1. Vedantu : Vedantu provides subject-wise important formula PDFs for JEE Mains, covering Physics, Chemistry, and Mathematics. You can download these PDFs for free.

2. Careers360 : This website offers e-books containing essential formulas for JEE Mains 2025 in Physics, Chemistry, and Mathematics, which can be helpful for your preparation. https://engineering.careers360.com/articles/jee-main-formulas

(You can access this link for JEE formula sheet)

3. SelfStudys : SelfStudys provides subject-wise formula sheets for JEE Mains, which you can download in PDF format.

Hello,

Here are some links where you can access JEE MAIN Important Formulas :-

1. JEE Main Important Formulas

2. JEE Main All Formula PDF 2025

3. JEE Main Physics Formulas 2025

Hope it helps !