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Which of the following numbers are irrational?

Which of the following numbers are irrational?-example-1

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Answer:

π/2 and ³√4

also -4.8237 and π/2

Explanation:

number 2 and 4 are automatically out since every integer is a rational number.

√25 = 5 and 5 + 4 = 9, 9 can be expressed as 9/1 which falls under rational numbers.

π/2 on the other hand is not rational same goes for -4.8237 and ³√4 because these numbers cannot be written as a fraction with integers.

for the above numbers π/4 and ³√9 are irrational.

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