设有向量组A :[tex=18.0x3.643]t2ggWTTv2XPLQkBXnhzUm4oUFv3MioEExFI4SVRJNRCulu20g27toGgmE6E2t2noTqApkQd1kpaNgGi4sz5JSa1QcjgpUjOax5mNy0F6xZZFDE1Bwc5sQT7bbx9ZexBG6nmEWW8AYa7I8mWxg+f6bWv7k1xSXWjEFIsRhIKZWlWmFWXMNnSIKSiJGoHd5ib3OqkXv+WNF8lscg57o8CmvPOcv0FVfn/YUCyHuja3fmIApRNUxScA9iDCyqgqIWyfWBtXN5KajrJ9BIaw+WZRbJd9Kgtf93d9ycbskYmsn6P8BgCao9SCS6KFQG4/eYIT[/tex]及向量[tex=5.5x3.929]gkXQlq6IYpUyO6CsUtga556p8BJlAWwMB6NOaQ3gPqwfW+7ytWWXOiRYDLdRexN8tpLCbY0oUNcvXlBeG3Ia8pA0q3BpZFiEagntJc5EN/4=[/tex],问[tex=1.714x1.214]MZAvqdooCdl+icBINL+5CQ==[/tex]为何值时,向量b能由向量组A线性表示,且表示式惟一;
设有向量组A :[tex=18.0x3.643]t2ggWTTv2XPLQkBXnhzUm4oUFv3MioEExFI4SVRJNRCulu20g27toGgmE6E2t2noTqApkQd1kpaNgGi4sz5JSa1QcjgpUjOax5mNy0F6xZZFDE1Bwc5sQT7bbx9ZexBG6nmEWW8AYa7I8mWxg+f6bWv7k1xSXWjEFIsRhIKZWlWmFWXMNnSIKSiJGoHd5ib3OqkXv+WNF8lscg57o8CmvPOcv0FVfn/YUCyHuja3fmIApRNUxScA9iDCyqgqIWyfWBtXN5KajrJ9BIaw+WZRbJd9Kgtf93d9ycbskYmsn6P8BgCao9SCS6KFQG4/eYIT[/tex]及向量[tex=5.5x3.929]gkXQlq6IYpUyO6CsUtga556p8BJlAWwMB6NOaQ3gPqwfW+7ytWWXOiRYDLdRexN8tpLCbY0oUNcvXlBeG3Ia8pA0q3BpZFiEagntJc5EN/4=[/tex],问[tex=1.714x1.214]MZAvqdooCdl+icBINL+5CQ==[/tex]为何值时,向量b能由向量组A线性表示,且表示式惟一;
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