Do you own a copy of Vinay Kumar? What’s your favorite chapter—Straight Lines or Circles? Let me know in the comments below!

: It includes archives of previous years' JEE Main and Advanced questions, ensuring your practice is always aligned with the latest patterns. Key Chapters Covered

Vinay Kumar asks: "If the circle x^2 + y^2 + 2gx + 2fy + c = 0 bisects the circumference of the circle x^2 + y^2 + 2g'x + 2f'y + c' = 0 , prove that 2gg' + 2ff' = c + c' ."

Many students seek a PDF version for quick reference, but the physical book remains a favorite for its structured "Booster" approach. Here is what makes this resource stand out:

I can provide a or break down a complex theorem for you!

. In competitive exams, questions rarely ask for simple calculations; they ask students to find the path traced by a point under certain constraints. Kumar teaches a step-by-step algorithmic approach: Assume the moving point is Write the given geometric conditions. Eliminate the variables to find a relationship between to get the final equation. Integration with Calculus

: 3D Geometry, Planes, and Spheres, which are typically taught alongside coordinate geometry in Class XI and XII.