题目1单选题
向量组<img src="https://tihai-oss-cloud.itihey.com/img/4815b4a92ea2eeaedf6053fb10766014.png">线性无关的充分必要条件是A. 向量组<img src="https://tihai-oss-cloud.itihey.com/img/4815b4a92ea2eeaedf6053fb10766014.png">中任意两个向量线性无关B. 向量组<img src="https://tihai-oss-cloud.itihey.com/img/4815b4a92ea2eeaedf6053fb10766014.png">至少有一个向量可由其余向量线性表示C. 存在不全为零的数<img src="https://tihai-oss-cloud.itihey.com/img/d2949832abe6a8ef29d31cf8ebbabca5.png">, 使 <img src="https://tihai-oss-cloud.itihey.com/img/b80ce3d5dc77f4330118f2b8384e37fb.png">D. 向量组<img src="https://tihai-oss-cloud.itihey.com/img/4815b4a92ea2eeaedf6053fb10766014.png">中任一个向量都不能由其余向量线性表示