1.

Find a vector of magnitude 5 along BA where coordinates of points A and B are (0, 1, 3) and   (1, 4, 6) respectively

A. \[\left( \frac{5}{\sqrt{19}} \right)[\hat{i}+3\hat{j}+3\hat{k}]\]
B. \[-\left( \frac{5}{\sqrt{19}} \right)[\hat{i}+3\hat{j}+3\hat{k}]\]
C. \[5[\hat{i}+3\hat{j}+3\hat{k}]\]
D. \[-5[\hat{i}+3\hat{j}+3\hat{k}]\]
Answer» C. \[5[\hat{i}+3\hat{j}+3\hat{k}]\]


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