関連ワード:  show that 2 is an irrational number class 9    prove that 2 is an irrational number class 9    show that √ 2 is an irrational number class 9    show that 4 2 is an irrational number class 9    show that 4 √ 2 is an irrational number class 9    show that 4 √ 2 is an irrational number class 9 answer    show that 2 √ 3 is an irrational number class 9    prove that √ 2 is an irrational number class 9    prove that root 2 is an irrational number class 9    prove that 2 is a rational number class 9  
結果 : show that √ 2 is an irrational number class 9