CBSE Class 11 Mathematics Chapter 2 Relations and Functions – NCERT Solutions 2025-26

NCERT Solutions for Chapter 2 Class 11 Exercise 2.3 Maths - What it covers

The best way to prepare for the examination is probably to look at the CBSE NCERT Solutions and practice accordingly. Let's have a look at the syllabus of Class 11 Maths for the Central Board of Secondary Education and how much the study materials are able to cover. The NCERT Solutions for Class 11 Maths Chapter 2 Exercise 2.3 should be looked up in this regard.

•  The syllabus of the Class 11 Maths consists of 16 Chapters, where the first Chapter is Sets. In this chapter, you will get an     introduction to Sets. You will know about finite or infinite sets, null sets, subsets of the sets, disjoint sets and many other calculations related to set. The Class 11 Maths NCERT Solutions Chapter 2 Exercise 2.3 should be your guide in this regard.

•  NCERT Solutions for Class 11 Maths Chapter 2 is Relations and Functions, the topics and subtopics are Cartesian Products of Sets, Relations, Functions, Some functions and their graphs, Algebra of real functions. Exercise 2.3 Class 11 maths will help you to clear your doubts. You can find Class 11 maths Chapter 2 Exercise 2.3 in the NCERT Solutions for Class 11 Maths. The Class 11 Maths Exercise 2.3 solution will help you revise core concepts in a really quick time indeed.
  
  

Other Chapters in Class 11 Maths

• Chapter no 3 is Trigonometric Functions where the topics and subtopics are Angles, Degree measure, Radian measure, Relation between radian and real numbers, Relations between degree and radian, Trigonometric Functions, Sign of trigonometric functions, Domain and range of trigonometric functions, Trigonometric Functions of Sum and Difference of Two Angles, Trigonometric Equations.

• The 4th Chapter Principle of Mathematical Induction will let you know how to solve equations with the help of mathematical induction. The topics are Introduction, Motivation, Illustration and The Principle of Mathematical Induction.

• The fifth Chapter Complex Numbers and Quadratic Equations comes with topics like Complex Numbers, Algebra of Complex Numbers, Addition of two complex numbers, Difference of two complex numbers, Multiplication of two complex numbers, Division of two complex numbers, Power of i, The square root of a negative real number, Identities, The Modulus and the Conjugate of a Complex Number, Argand Plane and Polar Representation, Polar representation of a complex number, Quadratic Equations. 

• Linear Inequalities comes with topics and subtopics like Inequalities, Algebraic Solutions of Linear Inequalities in One Variable and their Graphical Representation, Graphical Solution of Linear Inequalities in Two Variables, Solution of System of Linear Inequalities in Two Variables in the sixth Chapter.

• The topics and subtopics in the seventh Chapter Permutation and Combination are Fundamental Principle of Counting, Permutations, Permutations when all the objects are distinct, Factorial notation, Derivation of the formula, Permutations when all the objects are not distinct objects, Combinations.

• Eight Chapter Binomial Theorem has the topics like Binomial Theorem for Positive Integral Indices, Binomial theorem for any positive integer n, Some special cases, General and Middle Terms.

• The 9th Chapter Sequences and Series is the Chapter where you get to know about the topics like Sequences, Series, Arithmetic Progression(A.P), Arithmetic mean, Geometric Progression (G.P), General term of a G.P, Sum to n terms of a G.P, Geometric Mean, Relationship Between A.M and G.M, Sum to n Terms of Special Series.

• Straight Line is the Chapter no 10 where the topics and subtopics are Slope of a Line, the Slope of a line when coordinates of any two points on the line are given, Conditions for parallelism and perpendicularity of lines in terms of their slopes, Angle between two lines, Collinearity of three points, Various Forms of the Equation of a Line, Horizontal and vertical lines, Point-slope form, Two-point form, Slope-intercept form, Intercept - form, Normal form, General Equation of a Line, Different forms of Ax + By + C = 0, Distance of a Point From a Line, Distance between two parallel lines.

• Conic Sections is the 11 the Chapter where the topics and subtopics are Sections of a Cone, Circle, ellipse, parabola, and hyperbola, Degenerated conic sections, Circle, Parabola, Standard equations of parabola, Latus rectum, Ellipse, Relationship between semi-major axis, semi-minor axis and the distance of the focus from the center of the ellipse, Special cases of an ellipse, Eccentricity, Standard equations of an ellipse, Latus rectum, Hyperbola, Eccentricity, Standard equation of Hyperbola, Latus rectum.

• The topics and subtopics in Chapter 12 Introduction to Three Dimensional Geometry are Coordinate Axes and Coordinate Planes in Three Dimensional Space, Coordinates of a Point in Space, Distance between Two Points, Section Formula.

• Limits and Derivatives is the Chapter no. 13 where you will learn about topics and subtopics like Intuitive Idea of Derivatives, Limits, Algebra of limits, Limits of polynomials and rational functions, Limits of Trigonometric Functions, Derivatives, Algebra of derivative of functions, Derivative of polynomials and trigonometric functions.

• Chapter no 14 is Mathematical Reasoning and the topics are Statements, New Statements from Old, Negation of a statement, Compound statements, Special Words/Phrases, The word "And", The word "Or", Quantifiers, Implications, Contrapositive and Converse, Validating Statements, By Contradiction.

• The topics and subtopics in chapter 15, like Measures of Dispersion, Range, Mean Deviation, Mean deviation for ungrouped data, Mean deviation for grouped data, Limitations of mean deviation, Variance, and Standard Deviation, Standard Deviation, Standard deviation of a discrete frequency distribution, Standard deviation of a continuous frequency distribution, Shortcut method to find variance and standard deviation, Analysis of Frequency Distributions, Comparison of two frequency distributions with the same mean are there in the fifteenth Chapter Statistics.

• To solve the problems of Chapter no. 16 Probability, you will have to know about topics and subtopics like Random Experiments, Outcomes And Sample Spaces Events, Occurrences of Events, Types of Events, Mutually Exclusive Events, Axiomatic Approach to Probability, Probability of an event, Probabilities of equally likely outcomes, Probability of event or B', Probability of event 'not A'.
  
  

NCERT Solutions for Class 11 Maths Chapter 2 PDF and others 

From the website of Vedantu, you will be able to download all the latest series of study materials as per the syllabus. You will just have to register on the website of Vedantu and you will get step by step links of the syllabus for free PDFs downloads which you can access from anywhere and anytime. Not only many students but teachers are also using the study materials which Vedantu offers. You will get the standard study materials for all subjects which will help you stay updated and it also teaches you shortcut techniques to solve problems. The Class 11 maths NCERT solutions ex 2.3 will be invaluable in this regard. You should download the NCERT maths Class 11 Exercise 2.3 solutions right away. The NCERT Class 11 Maths Exercise 2.3 solution will prove really useful indeed.

NCERT Solution Class 11 Maths of Chapter 1 All Exercises

CBSE Class 11 Maths Chapter 2 Other Study Materials

NCERT Class 11 Maths Solutions Chapter-wise Links - Download the FREE PDF

Important Related Links for CBSE Class 11 Maths

Exam Preparation Tips For CBSE Class 11 Maths

Mathematics is the subject for which you will have to practice always to be an expert. The more you practice the more you become confident. Use a little diary to note down every important formulas and theory in short. Get proper sleep at night to wake up early in the morning and start your studies. Eat healthy foods and drink plenty of water. Don't try to clear your doubts in the last minute preparation, if you have any doubts then clear it earlier from Vedantu with reference from Exercise 2.3 Class 11 maths NCERT solutions.

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