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9. Which of the following statements are true ? (i) If A = (x : x² = 4, x e N), B = {- 2}, then A + B. (ii) If A = (x : | x | < 2, x e Z}, B = (- 1, 1), then A = B. (iii) If A = (1, 2, 3, 4, 5, 5), B = {2, 1, 3, 4, 5), then A = B. (iv) If A = (x : x² - 5x + 7 = 0, x e R}, B = 0, then A = B. %3D %3D %3D %3D %3D %3D %3D %3D

9. Which of the following statements are true ? (i) If A = (x : x² = 4, x e N), B = {- 2}, then A + B. (ii) If A = (x : | x | < 2, x e Z}, B = (- 1, 1), then A = B. (iii) If A = (1, 2, 3, 4, 5, 5), B = {2, 1, 3, 4, 5), then A = B. (iv) If A = (x : x² - 5x + 7 = 0, x e R}, B = 0, then A = B. %3D %3D %3D %3D %3D %3D %3D %3D

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.5: Graphs Of Functions
Problem 56E
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9. Which of the following statements are true ? (i) If A = {x : x² = 4, x e N), B = {– 2}, then A # B. (ii) If A = {x : |x | < 2, x e Z}, B = {- 1, 1), then A = B. (iii) If A = (1, 2, 3, 4, 5, 5), B = {2, 1, 3, 4, 5), then A = B. (iv) If A = (x : x² – 5x + 7 = 0, x e R}, B = 0, then A = B. %3D %3D %3D %3D %3D
Transcribed Image Text:9. Which of the following statements are true ? (i) If A = {x : x² = 4, x e N), B = {– 2}, then A # B. (ii) If A = {x : |x | < 2, x e Z}, B = {- 1, 1), then A = B. (iii) If A = (1, 2, 3, 4, 5, 5), B = {2, 1, 3, 4, 5), then A = B. (iv) If A = (x : x² – 5x + 7 = 0, x e R}, B = 0, then A = B. %3D %3D %3D %3D %3D
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