Function is Heart ❤️ of Calculas and Calculas is heart of mathematicsbr Itne important topic ko bhi teachers and student dono skip kar dete hai phir chahe wo graduation level pur ho ya +2 level pur which is the root cause of conceptual imperfections in students for mathematicsbr Yaha aapko bilkul zero level se advance level tak guide karunga.br br Link for written content of the videobr ...