Micahgile Micahgile

28-09-2018
Mathematics

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Let a be an irrational number. Is 1/a rational or irrational

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eristhestar eristhestar

28-09-2018

1 is a rational number because 1 can go into 1 when dividing. Irrational numbers are mostly decimals.

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28-09-2018

An irrational number multiplied, divided, added, or subtracted with a rational number, (or the other way around) is always irrational.

Since a is irrational, 1/a is 1/ a rational number, which will be irrational.

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