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

question 35

Essay

Find $| v |$ and $| \mathbf { u } + \mathbf { v } |$ , given that $\mathbf { u } = \langle 2,3 \rangle$ and $\mathbf { v } = \langle - 1,2 \rangle$ .

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A German philosopher, social scientist, and journalist who co-founded Marxist theory with Karl Marx.