A) \[\sqrt{18}\]
B) \[\sqrt{72}\]
C) \[\sqrt{33}\]
D) \[\sqrt{288}\]
Correct Answer: C
Solution :
P.V. of \[\overrightarrow{AD}=\frac{(3+5)i+(0-2)j+(4+4)k}{2}\]\[=4\mathbf{i}-\mathbf{j}+4\mathbf{k}\] \[|\overrightarrow{AD}|=\sqrt{16+16+1}=\sqrt{33}\].You need to login to perform this action.
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