EX 1.1
Exercise 1.1: 1. List the elements of the following sets: (a) {x:x” is an integer and ” x^2=9} Answer: x=±3 {-3,3} (b) {x:x” is a positive integer less than ” 5} Answer: Positive integers less than 5: 1, 2, 3, 4 {1,2,3,4} (c) {x:x” is an even natural number divisible by ” 5} Answer: Even […]