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Decompose V into Two Vectors V1 and V2, Where V1 v=i+7j,w=i+j\mathbf { v } = \mathbf { i } + 7 \mathbf { j } , \mathbf { w } = \mathbf { i } + \mathbf { j }

Question 11

Multiple Choice

Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.
- v=i+7j,w=i+j\mathbf { v } = \mathbf { i } + 7 \mathbf { j } , \mathbf { w } = \mathbf { i } + \mathbf { j }


A) v1=4(i+j) ,v2=3i+3j\mathbf { v } _ { 1 } = 4 ( \mathbf { i } + \mathbf { j } ) , \mathbf { v } _ { 2 } = - 3 \mathbf { i } + 3 \mathbf { j }
B) v1=92(i+j) ,v2=72i+52j\mathbf { v } _ { 1 } = \frac { 9 } { 2 } ( \mathbf { i } + \mathbf { j } ) , \mathbf { v } _ { 2 } = - \frac { 7 } { 2 } \mathbf { i } + \frac { 5 } { 2 } \mathbf { j }
C) v1=4(i+j) ,v2=3i3j\mathbf { v } _ { 1 } = 4 ( \mathbf { i } + \mathbf { j } ) , \mathbf { v } _ { 2 } = 3 \mathbf { i } - 3 \mathbf { j }
D) v1=8(i+j) ,v2=6i+6j\mathbf { v } _ { 1 } = 8 ( \mathbf { i } + \mathbf { j } ) , \mathbf { v } _ { 2 } = - 6 \mathbf { i } + 6 \mathbf { j }

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