In Chapter 30 - Derivatives of class 11 RD Sharma Maths, questions based on the derivatives at a point are there. This chapter has a total of 5 exercises, but these exercises are important from the examination point of view.
Now speaking of all the topics and subtopics of this chapter, some of the important ones are Derivative at a Point, Derivative of a Function, and Derivative as a Rate Measurer. Topics like Physical Interpretation of Derivative at a Point and Geometrical Interpretation of Derivative at a Point are also there. Some other important topics based on Differentiation aspects are Differentiation from First Principles, Fundamental Rules for Differentiation, Product Rule for Differentiation, and Quotient Rule for Differentiation.
Solutions of all the five exercises of Chapter 30 are available on the eCareerPoint in PDF for all the students. You can download it for free and get detailed solutions as well as short solutions to the questions based on the topics based above.