関連ワード:  square root of 2 is rational or irrational number    square root of 2 is a rational number or not    is 2 and the square root of 9 a rational or irrational number    is √2 a rational number    is the square root of 20 a rational number    is square root of 20 rational or irrational  
結果 : square root of 2 is rational or irrational number