Choose the One Alternative That Best Completes the Statement or Answers

Choose the one alternative that best completes the statement or answers the question.
Find the requested vector.
- $$\mathbf { w } = 3 \mathbf { i } - 3 \mathbf { j } - \mathbf { k }$$
Find a vector orthogonal to both $\mathbf { w }$ and $\mathbf { j } + \mathbf { k }$ .

A) $- 4 \mathbf { i } - 2 \mathbf { j } + 4 \mathbf { k }$
B) $4 \mathbf { i } - 2 \mathbf { j } + 2 \mathbf { k }$
C) $- 2 \mathbf { i } - 3 \mathbf { j } + 3 \mathbf { k }$
D) $3 \mathbf { i } - 3 \mathbf { j } - 2 \mathbf { k }$

Correct Answer:

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