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}} )


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