Find $| v |$ and $| \mathbf { u } + \mathbf { v } |$ , given that $\mathbf { u } = 2 \mathbf { i } - \mathbf { j }$ and $\mathbf { v } = \mathbf { i }$ .

Name: Find $| v |$ and $| \mathbf { u } + \mathbf { v } |$ , given that $\mathbf { u } = 2 \mathbf { i } - \mathbf { j }$ and $\mathbf { v } = \mathbf { i }$ .
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The Answer of Find $| v |$ and $| \mathbf { u } + \mathbf { v } |$ , given that $\mathbf { u } = 2 \mathbf { i } - \mathbf { j }$ and $\mathbf { v } = \mathbf { i }$ .

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Find $| v |$ And $| \mathbf { u } + \mathbf { v } |$