Show that 3-root 5 irrational given that root 5 is irrational
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hei its not 3root5 its 3 minus root5
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let 3root5 as a rational number so we can write this in the form of p/q
= 3√5=p/q
= √5=p/q-3
= √5=p-3q/q
so, we also know that √5 is an irratinal number
=√5 is an irrational number.
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