Find a Unit Vector in the Direction of the Given $\mathbf { v } = 2 \mathbf { i } + 2 \mathbf { j }$

question 79

Multiple Choice

Find a unit vector in the direction of the given vector. $\mathbf { v } = 2 \mathbf { i } + 2 \mathbf { j }$

• A) \(- \frac { \sqrt { 2 } } { 2 } \mathbf { i } - \frac { \sqrt { 2 } } { 2 } j\)
• B) \(- \frac { \sqrt { 2 } } { 2 } \mathbf { i } + \frac { \sqrt { 2 } } { 2 } j\)
• C) \(\frac { \sqrt { 2 } } { 2 } \mathbf { i } - \frac { \sqrt { 2 } } { 2 } \mathbf { j }\)
• D) \(\sqrt { 2 } \mathbf { i } + \sqrt { 2 } \mathbf { j }\)
• E) \(\frac { \sqrt { 2 } } { 2 } \mathbf { i } + \frac { \sqrt { 2 } } { 2 } \mathbf { j }\)

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