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Ex 2.2, 7 - Write relation R = {(x, x3): x is a prime number

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Ex 2.2, 7 Write the relation R = {(x, x3): x is a prime number less than 10} in roster form. Prime numbers = 2, 3, 5, 7, 11, 13, 17 Prime numbers less than 10 = 2, 3, 5, 7 So, value of x = 2, 3, 5, 7 Hence, R = {(2, 8), (3, 27), (5, 125), (7, 343)}

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Davneet Singh

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.