関連ワード:  is 3 root 2 a rational number    is cube root 2 a rational number    is 3 square root 2 a rational number    is 3 root 2 an irrational number    is root 3 upon 2 a rational number    is root 3 divided by 2 a rational number    is under root 2 3 a rational number    3 root 2 is an irrational number prove that    root 2 3 is a rational number true or false    prove that 3 root 2 is a rational number