Besavilla books are famous for their "Summary of Formulas" at the beginning of each chapter. Do not skip this. Memorize them. In the board exam, speed is key. You cannot derive formulas during the test; you must know them by heart.
Besavilla books are famous for their "Summary of Formulas" at the beginning of each chapter. Do not skip this. Memorize them. In the board exam, speed is key. You cannot derive formulas during the test; you must know them by heart.
