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

Name: Find $| v |$ and $| \mathbf { u } + \mathbf { v } |$ , given that $\mathbf { u } = \langle 2,3 \rangle$ and $\mathbf { v } = \langle - 1,2 \rangle$ .
Brand: Quizplus
Rating: 5.0 (36 reviews)

Question

Quizplus · Accepted Answer

The Answer is

| \mathbf { v } | = | \langle - 1,2 \rangle | = \sqrt { 1 ^ { 2 } + 2 ^ { 2 } } = \sqrt { 5 }

,

| \mathbf { u } + \mathbf { v } | = | \langle2 - 1,3 + 2 \rangle | = |\langle - 1,5 \rangle \mid = \sqrt { 1 ^ { 2 } + 5 ^ { 2 } } = \sqrt { 26 }

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