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1.

A. $5 \hat{i} + 7 \hat{j} + 9 \hat{k}$
B. $5 \hat{i} + 7 \hat{j} + 9 \hat{k}$
C. $5 \hat{i} + 7 \hat{j} + 9 \hat{k}$
D. $5 \hat{i} + 7 \hat{j} + 9 \hat{k}$

Answer: Option C

Explanation:

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