Prove that (3 + 2√5) is an irrational number.
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Step-by-step explanation:
let 3+2√5 is a rational no.
=3+2√5=p/q
=2√5=p/q-3
=2√5=p-3q/q
=√5=p-3q/2q
we know that √5 is an irrational no.
that's for the 3+2√5 is an irrational number
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