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

  1. Chapter 2 Class 11 Relations and Functions
  2. Serial order wise
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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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