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1. |
Find vector \(\vec{b}\), if \(\vec{a}+\vec{b}\)+\(\vec{c}\)=8\(\hat{i}\)+2\(\hat{j}\) where \(\vec{a}\)=\(\hat{i}\)-6\(\hat{j}\) and \(\vec{c}\)=3\(\hat{i}\)+7\(\hat{j}\). |
A. | 4\(\hat{i}\)+4\(\hat{j}\) |
B. | \(\hat{i}\)+4\(\hat{j}\) |
C. | 4\(\hat{i}\)–\(\hat{j}\) |
D. | 4\(\hat{i}\)+\(\hat{j}\) |
Answer» E. | |