Related Articles
12th Math Chapter 1 Subjective in English
Relations and Functions Subjective Define universal relation? Give example. Ans: A Relation R in a set A called universal relation if each element of A is related to every element of A. Ex. Let = {2,3,4}R = (AA) = {(2,2),(2,3) (2,4) (3,2) (3,3) (3,4) (4,2) (4,3) (4,4) } What is trivial relation? Ans: Both the empty relation […]
12th Math Chapter 1 Objective in Hindi
सम्बन्ध एवं फलन Objective यदि A = {a, b, c}, B = {1, 2, 3) और f = {(a, 1) (b, 2) (c, 2)} तो f कैसा फलन है? (a) एकैक अंत:क्षेपी (b) अनेकैक अंतःक्षेपी (c) अनेकैक आच्छादक (d) एकैक आच्छादक Ans (b) यदि f : R → R जहाँ f(x) = 3x तो कैसा […]
12th Math Chapter 1 Objective in English
Relations and Functions Objective The function f : A → B defined by f(x) = 4x + 7, x ∈ R is (a) one-one (b) Many-one (c) Odd (d) Even Ans (a) The smallest integer function f(x) = [x] is (a) One-one (b) Many-one (c) Both (a) & (b) (d) None of these Ans (b) […]