题目46.(判断题) 向量组a_(1),a_(2)线性无关，向量组beta_(1)=a_(1)+a_(2),beta_(2)=a_(1)-a_(2)也线性无关。A. 对B. 错46.(判断题) 向量组$a_{1},a_{2}$线性无关，向量组$\beta_{1}=a_{1}+a_{2},\beta_{2}=a_{1}-a_{2}$也线性无关。A. 对B. 错题目解答答案A. 对