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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 2 objective in english
Inverse Trigonometric Functions Objective If sin-1(x2 – 7x + 12) = nπ, ∀ n ∈ I, then x = (a) -2 (b) 4 (c) -3 (d) 5 Ans (b) If 6sin-1 (x2 – 6x + 8.5) = π, then x is equal to (a) 1 (b) 2 (c) 3 (d) 8 Ans (b) sin-1 (1 – x) – 2sin-1 x […]
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 […]