Mattsaman2538 Mattsaman2538

25-08-2017
Mathematics

contestada

Is the difference between two irrational numbers always irrational?

Respuesta :

ghanami ghanami

25-08-2017

hello :
let two irrational numbers : a = 3 + √5 and b = 3 - √5
the difference is : a -b = (3 + √5) - (3 - √5 ) = 0
but zero is not irrational number

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