関連ワード:  square root of 2 is a rational number or not    prove that square root of 2 is not a rational number    show that the square root of 2 is not a rational number    is the square root of 2 a rational number yes or no    is √2 a rational number    is square root of 2.5 a rational number    is 1/√2 a rational number  
結果 : square root of 2 is a rational number or not