[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fSYg9Uo7nADHFfKvo0qOv35aHZtrrIxOYasd-k88zqgY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":16,"related":17,"source":23,"type":24},[],"2023-12-22 13:31:34",986130039,[8,9],"对","错",{"courseId":11,"courseImg":12,"courseName":13,"workId":14,"workName":15},"1000097197","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd9774fd729a1bace764a2ba824db3095.jpg","线性代数","57130479","第三章单元测试","向量组α1 , α2 , ···,αn (n≥2 )线性无关的充要条件是其任一向量都不能由其余向量线性表示.( )",[18,25,30,35,40,43,48,58,67,76],{"answer":19,"createTime":5,"id":20,"options":21,"question":22,"source":23,"type":24},[],986130024,[8,9],"如果向量组α1, α2, ···,αn 线性相关,则其任意部分向量组线性相关.( )","v2",3,{"answer":26,"createTime":5,"id":27,"options":28,"question":29,"source":23,"type":24},[],986130028,[8,9],"如果向量组α1 , α2 , ···,αn , β线性相关,则β可由α1, α2, …,αn线性表示.( )",{"answer":31,"createTime":5,"id":32,"options":33,"question":34,"source":23,"type":24},[],986130031,[8,9],"设A是4阶矩阵,且A的行列式等于零,则A中有一列向量是其余向量的线性组合.( )",{"answer":36,"createTime":5,"id":37,"options":38,"question":39,"source":23,"type":24},[],986130035,[8,9],"W1={(x1, x2, ···,xn )T| x1+x2+···+xn =0, x1=1, xi∈R, i= 2, … ,n }是Rn的子空间.( )",{"answer":41,"createTime":5,"id":6,"options":42,"question":16,"source":23,"type":24},[],[8,9],{"answer":44,"createTime":5,"id":45,"options":46,"question":47,"source":23,"type":24},[],986130042,[8,9],"W1 , W2均是Rn的子空间,则W1∪W2不是Rn的子空间.( )",{"answer":49,"createTime":5,"id":50,"options":51,"question":56,"source":23,"type":57},[],986130093,[52,53,54,55],"(0, 1, 0)T","(1, 3, 5)T","(5, 0, 1)T","(0, 1, 5)T","设α1=(1, 0, 0)T, α2=(0 , 0, 5 )T, β为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F60bf43efc1cbb81d53fb2233c6be6d27.png\"> 线性组合,则β可能是( )",0,{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":23,"type":57},[],986130097,[62,63,64,65],"α1+α2, α2+α3,α3+α4, α4+α1线性无关","α1-α2, α2-α3,α3-α4, α4-α1线性无关","α1+α2, α2+α3,α3-α4, α4-α1线性无关","α1+α2, α2-α3,α3-α4, α4-α1线性无关","设量组α1, α2, α3,α4线性无关,则( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":75,"source":23,"type":57},[],986130102,[71,72,73,74],"α1, α2, β1线性无关","α1, α2, β2,线性无关","α1, α2, β1, β2,线性相关","α1, α2 , β1+β2,线性相关","设向量组α1, α2, α3线性无关,向量β1可由α1, α2, α3线性表示,向量β2,不可由α1, α2, α3线性表示,则必有( )",{"answer":77,"createTime":5,"id":78,"options":79,"question":84,"source":23,"type":57},[],986130106,[80,81,82,83],"a=1","a=2","a=3","a=-2","设α1=(1, -1, 2, 1)T, α2=(2 ,-1, 3, a )T, α3=(0, 1, -1, 1)T线性相关,则( )"]