

MCQOPTIONS
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1. |
Which of the below given is the correct formula for the distance between two skew lines l1 and l2? |
A. | d= ( left | frac{( vec{b_1} vec{b_2}).(a_2-a_1)}{| vec{b_1} vec{b_2}|} right | ) |
B. | 2d= ( left | frac{( vec{b_1}- vec{b_2}).(a_2-a_1)}{| vec{b_1}- vec{b_2}|} right | ) |
C. | d= ( left | frac{( vec{b_1} vec{b_2}).(a_2.a_1)}{3| vec{b_1} vec{b_2}|} right | ) |
D. | d<sup>2</sup>= ( left | frac{( vec{b_1} vec{b_2}).(a_2-a_1)}{| vec{b_1}- vec{b_2}|} right | ) |
Answer» B. 2d= ( left | frac{( vec{b_1}- vec{b_2}).(a_2-a_1)}{| vec{b_1}- vec{b_2}|} right | ) | |