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18 November, 06:59

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

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  1. 18 November, 07:05
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    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.
  2. 18 November, 07:31
    0
    1 is a rational number because 1 can go into 1 when dividing. Irrational numbers are mostly decimals.
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