MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following is the correct formula for the distance between the parallel lines l1 and l2? |
| A. | d= ( left| frac{ vec{a_2}+ vec{a_1}) ( vec{a_2}- vec{a_1})}{| vec{b}|} right | ) |
| B. | d<sup>2</sup>= ( left| frac{ vec{b} ( vec{a_2}- vec{a_1})}{| vec{b}|} right | ) |
| C. | 2d= ( left| frac{ vec{b} ( vec{a_2}- vec{a_1})}{| vec{b}|} right | ) |
| D. | d= ( left| frac{ vec{b} ( vec{a_2}- vec{a_1})}{| vec{b}|} right | ) |
| Answer» E. | |