Question

Prove that √2+3√5 is a irrational
number ...

Answer 1

hey!!!

Let us assume that √2+3√5 is a rational no. "a"

Therefore,

√2+3√5 = a

3√5 = a–√2

√5= a–√2÷3

Since, √5 is a irrational no.

This contradicts the given fact.

Therefore, √2+3√5 is irrational no.

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