Chapter 2 - Set Theory - 2.1 Basic Set Concepts - Exercise Set 2.1: 91

infinite

Work Step by Step

A={x|x belongs to N x&gt;=100} X is natural number and x is greater than equal to 100 i.e. x&gt;=100 means 100,101,102,103,104,…….. never ends Therefore cardinal number of the given set cannot be zero or any natural number From the above statement n(A) =n(B) Therefore given sets is infinite

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