A) 5
B) 6
C) 7
D) 8
Correct Answer: C
Solution :
Projection of [(1, 2, 3) ? (6, 7, 7)] along line \[=\frac{-15-10+8}{\sqrt{17}}=\frac{-17}{\sqrt{17}}\] \[\therefore \] Distance \[=\sqrt{({{5}^{2}}+{{5}^{2}}+{{4}^{2}})-17}=\sqrt{49}=7\].You need to login to perform this action.
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