関連ワード:  is 1 root 3 a rational number    is square root 1 3 a rational number    1 root 3 is an irrational number    1 root 3 is a rational number or irrational number    show that 3 root 5 1 is not a rational number    is 1+√3 a rational number    is root 3 a rational number    is 2 root 3 a rational number  
結果 : is 1/root 3 a rational number