Firstly this part was in mathematical tools zeroth chapter of physics but now this part is under kinematics so now few questions related to differentiation may come in exams n differentiation n integration is also important in most of the concepts of physics. Without the knowledge of differentiation n integration you can’t solve few problems in Physics.
All rules for differentiation n integration should be clear for this you can check
Class 11 Physics Formula sheet
In this article you will get formulae of all chapters.
After that practice these questions or more questions provided by us. You can also check
Question Paper of different school class 11 Physics
Read all question paper carefully by this you will come to know what kind of questions can come in exam
Do hardwork n be consistent with your work. Rest depends on your practice.