求矩阵的特征值和特征向量。
的特征值和特征向量。
设=,则==0,解得的特征值为,;当时,解方程组,解得,当时,解方程组,解得。所以,的特征向量为 ,。
Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
Terminal lung cancer is controllable but ( ).(curable)