

MCQOPTIONS
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1. |
The distance between the line \[\vec{r}.2\hat{i}-2\hat{j}+3\hat{k}\]\[+\lambda (\hat{i}-\hat{j}+4\hat{k})\] and the plane \[\vec{r}.(\hat{i}-5\hat{j}+\hat{k})=5\] is |
A. | \[\frac{10}{3\sqrt{3}}\] |
B. | \[\frac{10}{9}\] |
C. | \[\frac{10}{3}\] |
D. | \[\frac{3}{10}\] |
Answer» B. \[\frac{10}{9}\] | |