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Use the Dot Product to Determine If Two Vectors Are v=2i+j,w=i2j\mathbf { v } = 2 \mathbf { i } + \mathbf { j } , \quad \mathbf { w } = \mathbf { i } - 2 \mathbf { j }

question 130

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Use the Dot Product to Determine if Two Vectors are Orthogonal
- v=2i+j,w=i2j\mathbf { v } = 2 \mathbf { i } + \mathbf { j } , \quad \mathbf { w } = \mathbf { i } - 2 \mathbf { j }


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