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Ex 1.5,1 - Chapter 1 Class 9 Number Systems - Part 5

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Ex1.5, 1 Classify the following numbers as rational or irrational: (v) 2𝛑 2 is rational 𝛑 = 3.1415 . which is non- terminating non-repeating is an irrational number We know that Rational x Irrational = Irrational Thus, 2𝛑 is an irrational number

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