已知向量组a1,a2,a3,a4线性无关,则向量组() A a1+a2,a2+a3,a3+a4,a4+a1线性无关b a1-a2,a2-a3,a3-a4,a4-a1线性无关c a1+a2,a2+a3,a3+a4,a4-a1线性无关da1+a2,a2+a3,a3-a4,a4-a1线性无关
问题描述:
已知向量组a1,a2,a3,a4线性无关,则向量组() A a1+a2,a2+a3,a3+a4,a4+a1线性无关
b a1-a2,a2-a3,a3-a4,a4-a1线性无关
c a1+a2,a2+a3,a3+a4,a4-a1线性无关
da1+a2,a2+a3,a3-a4,a4-a1线性无关
答
C