RD Sharma Solutions Class 12 Tangents And Normals

RD Sharma Solutions Class 12 Chapter 16

The chapter on tangents and normals is an extremely important chapter and thus, the students are required to practice several questions to be able to understand the concepts thoroughly. The solutions to this chapter 16 i.e. Tangents and Normals from RD Sharma are given on this page. The solutions are detailed and according to the guidelines of CBSE and CCE.

Important Definitions

  • Tangents

A tangent can be defined as a straight line touching a curve at a particular point. The most important question related to tangents is finding the equation of a tangent from a given curve equation.

  • Normal

A straight line that is perpendicular to the tangent i.e. the line whose gradient is -1/m (m= gradient of the tangent) is called as a normal. Finding the equation of a normal is the most important question from this topic.
The students can clear their respective doubts from the RD Sharma solutions for class 12 of this chapter as given below in the table. These easy to understand solutions can help the candidates to learn the topic more effectively and get thorough with the chapter.

Practise This Question

In a test, an examinee either guesses or copies or knows the answer to a multiple choice question with four choices. The probability that he makes a guess is 13 and the probability that he copies the answer is 16. The probability that his answer is correct given that he copied it is 18. Find the probability that he knew the answer to the question, given that he answered it correctly.