What are irrational numbers ?

1.	What are irrational numbers ?
Answer» A number which cannot be written in the form a/b , where a and b are integers and b ≠ 0 is called a irrational number. Irrational numbers which have non-terminating and non-repeating decimal representation.The sum or difference of a two irrational numbers is also rational or an irrational number.

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