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Ex 1.3, 9 - Given A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2

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Ex 1.3, 9 - Chapter 1 Class 11 Sets - Part 2

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Ex 1.3, 9 - Chapter 1 Class 11 Sets - Part 3

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Ex 1.3, 9 - Chapter 1 Class 11 Sets - Part 4

 

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Ex 1.3,9 Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2,4, 6, 8}, which of the following may be considered as universals set(s) for all the three sets A, B and C (i) {0, 1, 2, 3, 4, 5, 6} Elements of A + B + C = { 1,3,5,2,4,6,0,8} The given set does not contain 8, so it cannot be universal set for A,B and C. Ex 1.3,9 Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2,4, 6, 8}, which of the following may be considered as universals set (s) for all the three sets A, B and C (ii) Elements of A + B + C = { 1,3,5,2,4,6,0,8} does not contain any element, So it cannot be universal set for A,B and C. Ex 1.3,9 Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2,4, 6, 8}, which of the following may be considered as universals se (s) for all the three sets A, B and C (iii) {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10} Elements of A + B + C = { 1,3,5,2,4,6,0,8} This set contains all elements, So it can be universal set for A,B and C. Ex 1.3,9 Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2,4, 6, 8}, which of the following may be considered as universals se (s) for all the three sets A, B and C (iv) {1, 2, 3, 4, 5, 6, 7, 8} Elements of A + B + C = { 1,3,5,2,4,6,0,8} The given set does not contain 0, So it cannot be universal set for A,B and C.

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.