zaidh3494 zaidh3494

21-02-2021
Mathematics

contestada

Show
that
[tex] \sqrt{5} [/tex]
is irrational

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isaadel2017 isaadel2017

21-02-2021

Suppose that √5 = ab where ab is in reduced form. Thus 5 = a2b2 and 5b2 = a2. ... Since there is no integer that is both even and odd, we have reached a contradiction and √5 is irrational.

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