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Find uv\mathbf { u} \cdot \mathbf { v } And the Angle Between

question 37

Essay

Find uv\mathbf { u} \cdot \mathbf { v } and the angle between u\mathbf { u } and v\mathbf { v } for u=2i+2j\mathbf { u } = \sqrt { 2 } \mathbf { i } + 2 \mathbf { j } , v=4i7j\mathbf { v } = - 4 \mathbf { i } - 7 \mathbf { j } .


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