Possessing the solutions (whether PDF or hard copy) can be a double-edged sword. Here is the right strategy to use them:
Breaking down complex calculus or coordinate geometry problems into manageable parts. Possessing the solutions (whether PDF or hard copy)
The book by A. Das Gupta is widely used for JEE preparation and includes answers to all questions , along with hints and solutions for difficult problems at the end of each chapter. Das Gupta is widely used for JEE preparation
"Problems Plus in IIT Mathematics" by A. Das Gupta is a popular book among IIT aspirants and mathematics students. The book covers a wide range of topics in mathematics, including algebra, calculus, geometry, and trigonometry. It is designed to help students develop problem-solving skills and prepare for the IIT entrance exams. The book covers a wide range of topics
Pay extra attention to solutions that bridge two different topics (e.g., Calculus mixed with Vectors), as these are favorites of the JEE paper-setters. Searching for the PDF Download
Scalar and vector products and their applications in geometry. How to Use the Solutions Effectively