Mathematics Assignment Math Assignment Class XI Chapter 1 Set Theory, Extra and important questions on Set Theory useful for Mat and Applied Math students. Class - XI | Subject Mathematics | Chapter - 1 For Non-Medical /Applied Math Students ******************************************************* Question 1 Write the following sets in tabular form a){ x : x = 2n + 1 ; n ∈ N} b) {x : x – 1 = 0} c) {x : x = prime number and x ≤ 7 ; x ∈ N d) {x : x ∈ I, 3x - 2 = 3} e) {x : x 2 ≤ 10 , x ∈ Z } Answers of Q 1 a {3, 5, 7, 9, ........} b {1} c { 2, 3, 5, 7} d Ï† e {0, åœŸ 1, åœŸ 2, åœŸ 3}