We prove the square root of 3 is irrational. Proving some numbers are irrational is a real pain, but it doesn't always have to be so hard! To prove sqrt(3) is irrational, we can use the proof by contradiction strategy famously used to prove the square root of 2 is irrational. We'll assume that the square root of 3 is NOT irrational, and thus is rational. Then we'll write it as a ratio of integers in fully reduced form, and find a contradiction!

Proof Square Root of 2 is Irrational: [ Ссылка ]

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