Find the Unit Vector in the Direction of the Given $\mathbf { u } = \langle 1,5 \rangle$

question 183

Multiple Choice

Find the unit vector in the direction of the given vector. Write your answer in the indicated form.
-Let $\mathbf { u } = \langle 1,5 \rangle$ . Find the unit vector in the direction of $\mathbf { u }$ , and write your answer as a linear combination of the standard unit vectors $\mathbf { i }$ and $\mathbf { j }$ .

• A) \(\frac { 1 } { \sqrt { 26 } } \mathrm { i } + \frac { 5 } { \sqrt { 26 } } \mathrm { j }\)
• B) \(\mathrm { i } + \mathrm { j }\)
• C) \(\frac { 1 } { 6 } \mathrm { i } + \frac { 5 } { 6 } \mathrm { j }\)
• D) \(\frac { 1 } { 26 } \mathbf { i } + \frac { 5 } { 26 } \mathrm { j }\)

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