已知向量a=(3,4,5),求向量a沿e1,e2,e3的正交分解 e1=(2,-1,1),e2=(1,1,-1),e3=(0,3,3)
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![已知向量a=(3,4,5),求向量a沿e1,e2,e3的正交分解 e1=(2,-1,1),e2=(1,1,-1),e3=(0,3,3)](/uploads/image/z/1581591-39-1.jpg?t=%E5%B7%B2%E7%9F%A5%E5%90%91%E9%87%8Fa%3D%283%2C4%2C5%29%2C%E6%B1%82%E5%90%91%E9%87%8Fa%E6%B2%BFe1%2Ce2%2Ce3%E7%9A%84%E6%AD%A3%E4%BA%A4%E5%88%86%E8%A7%A3+e1%3D%EF%BC%882%2C-1%2C1%EF%BC%89%2Ce2%3D%EF%BC%881%2C1%2C-1%EF%BC%89%2Ce3%3D%EF%BC%880%2C3%2C3%EF%BC%89)
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