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The Vector Projection Of v=2i+3j+k\mathbf { v } = 2 \mathbf { i } + 3 \mathbf { j } + \mathbf { k }

Question 107

Multiple Choice

The vector projection of v=2i+3j+k\mathbf { v } = 2 \mathbf { i } + 3 \mathbf { j } + \mathbf { k } onto w=ijk\mathbf { w } = \mathbf { i } - \mathbf { j } - \mathbf { k } is


A) 3813i+1926j5726k- \frac { 38 } { 13 } \mathbf { i } + \frac { 19 } { 26 } j - \frac { 57 } { 26 } k
B) 3813i1926j5726k\frac { 38 } { 13 } \mathbf { i } - \frac { 19 } { 26 } \mathbf { j } - \frac { 57 } { 26 } \mathbf { k }
C) 3813i1926j+5726k- \frac { 38 } { 13 } i - \frac { 19 } { 26 } j + \frac { 57 } { 26 } k
D) 3813i+1926j+5726k- \frac { 38 } { 13 } \mathbf { i } + \frac { 19 } { 26 } \mathbf { j } + \frac { 57 } { 26 } \mathbf { k }
E) 3813i1926j+5726k\frac { 38 } { 13 } \mathbf { i } - \frac { 19 } { 26 } \mathbf { j } + \frac { 57 } { 26 } \mathbf { k }

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