下列各组向量中,可以作为基底的是A.e1=(0,0),e2=(-2,1) B.e1=(4,6),e2=(6,9) C.e1=(2,-3),e2=(1/2,-3/4 D.e1=(2,-5),e2=(-6,4)
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![下列各组向量中,可以作为基底的是A.e1=(0,0),e2=(-2,1) B.e1=(4,6),e2=(6,9) C.e1=(2,-3),e2=(1/2,-3/4 D.e1=(2,-5),e2=(-6,4)](/uploads/image/z/8893348-52-8.jpg?t=%E4%B8%8B%E5%88%97%E5%90%84%E7%BB%84%E5%90%91%E9%87%8F%E4%B8%AD%2C%E5%8F%AF%E4%BB%A5%E4%BD%9C%E4%B8%BA%E5%9F%BA%E5%BA%95%E7%9A%84%E6%98%AFA.e1%3D%280%2C0%EF%BC%89%2Ce2%3D%28-2%2C1%29+B.e1%3D%284%2C6%29%2Ce2%3D%EF%BC%886%2C9%EF%BC%89+C.e1%3D%282%2C-3%29%2Ce2%3D%281%2F2%2C-3%2F4+D.e1%3D%282%2C-5%29%2Ce2%3D%28-6%2C4%29)
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