Is the sum of 4.2 and square root of 2 rational or irrational

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10-03-2016
Mathematics

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Is the sum of 4.2 and square root of 2 rational or irrational

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AL2006 AL2006 · Answer 1 · 2016-03-10T02:34:22+01:00

AL2006 AL2006

10-03-2016

The sum of an irrational number and a rational one
is always irrational. There's nothing you can add to
an irrational number to make it behave better.

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