関連ワード:  is root 12 root 3 irrational    is root 12 upon root 3 irrational    is root 12 divided by root 3 irrational    is root 12 root 3 rational or irrational    root 12 upon root 3 is irrational number    is root 12/3 irrational  
結果 : is root 12 root 3 irrational