A) \[3\mathbf{i}-4\mathbf{j}\]
B) \[3\mathbf{i}+4\mathbf{j}\]
C) \[4\mathbf{i}-4\mathbf{j}\]
D) \[4\mathbf{i}+4\mathbf{j}\]
Correct Answer: C
Solution :
\[\mathbf{a}+\mathbf{b}+\mathbf{c}=(3+2-1)\mathbf{i}+(-2-4+2)\mathbf{j}+(1-3+2)\mathbf{k}\] \[=4\mathbf{i}-4\mathbf{j}\].You need to login to perform this action.
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