Part 5, EXERCISE 2.3 FULLY SOLVED, Relations & Functions, Chapter 2, Class 11 NCERT

Part 5, EXERCISE 2.3 FULLY SOLVED, Relations & Functions, Chapter 2, Class 11 NCERT Master Class 11 Maths Chapter 2: Relations and Functions with this complete NCERT solution video. Every concept is explained in a clear, step‑by‑step manner, making it easy for you to understand and score high in exams. 📘 What’s covered in this video: 1. Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. (i) {(2,1), (5,1), (8,1), (11,1), (14,1), (17,1)} (ii){(2,1), (4,2), (6,3), (8,4), (10,5), (12,6), (14,7)} (iii){(1,3), (1,5), (2,5)}. 2. Find the domain and range of the following real functions: 3. A function f is defined by f(x) = 2x –5. Write down the values of (i) F(0) (ii) f (7), (iii) f (–3). 4.The function ‘t’ which maps temperature in degree Celsius into temperature in degree Fahrenheit is defined by t(C) = 9C/5 + 32. Find (i) t(0) (ii) t(28) (iii) t(–10) (iv) The value of C, when t(C) = 212. 5. Find the range of each of the following functions. (i) f (x) = 2 – 3x, x ∈ R, x GREATER THAN 0. (ii) f(x) = x2 + 2, x is a real number. (iii) f(x) = x, x is a real number. 📘 What’s WE HAVE LEARNT: Meaning of Relations & Functions Ordered pair Equality of ordered pair Cartesian Products of Sets Cartesian Products of Three sets NCERT Exercise 2.1 fully solve Important exam‑oriented questions Easy methods to avoid common mistakes Perfect for CBSE Class 11 students preparing for school exams, tests, and competitive foundations. 👉 Like, Share & Subscribe for more Class 11 Maths chapters. #Class11Maths #RelationsAndFunctions #NCERTMaths #Class11Chapter2 #NCERTSolutions #MathsClass11 #CBSEClass11 #NCERTChapter2 #FunctionsClass11 #DomainRange #MathsLecture #Class11MathsSolutions #NCERTGuide #MathsForBeginners #ExamPreparation #CBSEMaths #StudyWithMe #MathsMadeEasy #BoardExamPrep #Ziatutorial #Class11Maths #RelationsAndFunctions #NCERTSolutions #MathsClass11 #Class11Chapter2 #NCERTMaths #CBSEClass11 #FunctionsClass11 #DomainRange #MathsLecture #ExamPreparation #NCERTGuide #Class11MathsSolutions #StudyWithMe #MathsMadeEasy