NATURAL NUMBERS :The counting numbers 1, 2, 3, 4, 5, 6…………… are called the natural numbers and are denoted by N . As you can recall that a child at his very young stage try to count the things. Eg. Chocolates, toys, sweets etc. He just know the numbers viz. ,1, 2, 3, 4, 5………. And has no idea about zero. Here we are discussing the numbers which are represented in international symbols. So N= {1, 2, 3, 4,...
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