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1. |
If \(\vec{a}\)=9\(\hat{i}\)-2\(\hat{j}\)+7\(\hat{k}\), \(\vec{b}\)=5\(\hat{i}\)+\(\hat{j}\)-3\(\hat{k}\), find \(\vec{a}+\vec{b}\). |
A. | \(\hat{i}\)–\(\hat{j}\)+4\(\hat{k}\) |
B. | 14\(\hat{i}\)–\(\hat{j}\)+4\(\hat{k}\) |
C. | 14\(\hat{i}\)-3\(\hat{j}\)+4\(\hat{k}\) |
D. | 14\(\hat{i}\)–\(\hat{j}\)+9\(\hat{k}\) |
Answer» C. | |