Find the Indicated Vector $\mathbf { a } = 3 \mathrm { i } , \mathbf { b } = \mathbf { i } + \mathrm { j }$

question 285

Multiple Choice

Find the indicated vector.
-Let $\mathbf { a } = 3 \mathrm { i } , \mathbf { b } = \mathbf { i } + \mathrm { j }$ . Find $3 \mathbf { a } - \mathbf { b }$ .

• A) \(\mathbf { i } - 8 \mathbf { j }\)
• B) \(8 \mathbf { i } - 3 \mathbf { j }\)
• C) \(11 \mathrm { i } + \mathbf { j }\)
• D) \(8 \mathbf { i } - \mathbf { j }\)

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