1.

Find the value of \(\vec{a}+\vec{b}\)+\(\vec{c}\), if \(\vec{a}\)=4\(\hat{i}\)-4\(\hat{j}\), \(\vec{b}\)=-3\(\hat{i}\)+2k, \(\vec{c}\)=7\(\hat{j}\)-8\(\hat{k}\).

A. \(\hat{i}\)-3\(\hat{j}\)
B. \(\hat{i}\)+3\(\hat{j}\)-6\(\hat{k}\)
C. \(\hat{i}\)+\(\hat{j}\)+6\(\hat{k}\)
D. \(\hat{i}\)+6\(\hat{k}\)
Answer» C.


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