The history of mathematics shows that man has been developing and enlarging his concept of number according to the saying that “Necessity is the mother of invention”. In the remote past they stared with the set of counting numbers and invented, by stages, the rational numbers, negative numbers, irrational numbers. Since square of a negative […]
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We know that a rational number is a number that can be written in the form of where p, q Z and q ≠ 0. The numbers 25, 3.765, 4.5, etc., are rational numbers. can be reduced to the form where p, q Z, and q ≠ 0 because Examples of rational numbers:
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A collection of well-defined and distinct objects is called a set in mathematics. Well-defined collection means we can whether the object belongs collection or not and distinct means no two of which are the same. We are familiar with the set since the word is frequently used in everyday speech for instance water set, tea
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