Find the Unit Vector Having the Same Direction as V $$\mathbf { v } = - 3 \mathbf { i } + 4 \mathbf { j }$$

question 73

Multiple Choice

Find the unit vector having the same direction as v.
- $$\mathbf { v } = - 3 \mathbf { i } + 4 \mathbf { j }$$

• A) \(\mathbf { u } = - \frac { 5 } { 3 } \mathrm { i } + \frac { 5 } { 4 } \mathrm { j }\)
• B) \(\mathbf { u } = - \frac { 4 } { 5 } \mathrm { i } + \frac { 3 } { 5 } \mathrm { j }\)
• C) \(u = - \frac { 3 } { 5 } i + \frac { 4 } { 5 } j\)
• D) \(\mathbf { u } = - 15 \mathrm { i } + 20 \mathrm { j }\)

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