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1. |
Find the distance between the lines l1 and l2 with the following vector equations. ( vec{r}=2 hat{i}+2 hat{j}-2 hat{k}+ (3 hat{i}+2 hat{j}+5 hat{k}) ) |
A. | n ( vec{r}=4 hat{i}- hat{j}+5 hat{k}+ (3 hat{i}-2 hat{j}+4 hat{k}) ) |
B. | ( frac{57}{ sqrt{47}} ) |
C. | ( frac{57}{ sqrt{77}} ) |
D. | ( frac{7}{ sqrt{477}} ) |
E. | ( frac{57}{ sqrt{477}} ) |
Answer» E. ( frac{57}{ sqrt{477}} ) | |