9. Examine whether the following numbers are rational or irrational
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∴√4 can be expressed in the form of , p/ q, so it is a rational number. The decimal representation of √4 is 2.0. 2 is a rational number, whereas √3 is an irrational number. Because, sum of a rational number and an irrational number is an irrational number, so 2 +√3 is an irrational number
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