Solve the Problem $\mathbf { v } = \mathbf { i } - \mathrm { a } \mathbf { j }$

question 232

Multiple Choice

Solve the problem.
-Find a so that the vectors $\mathbf { v } = \mathbf { i } - \mathrm { a } \mathbf { j }$ and $\mathbf { w } = - 5 \mathbf { i } - 3 \mathbf { j }$ are orthogonal.

• A) \(- \frac { 3 } { 5 }\)
• B) \(- \frac { 5 } { 3 }\)
• C) \(\frac { 3 } { 5 }\)
• D) \(\frac { 5 } { 3 }\)

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