An equation of a line through the point (1, 2) whose distance from the point (3, 1) has the greatest value is |
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a) |
b) |
c) |
d) |

An equation of a line through the point (1, 2) whose distance from the point (3, 1) has the greatest value is |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(a)**

Obviously line through is at greatest distance from point when it is perpendicular to . Now slope of line is . Then slope of perpendicular line passing through is

or

127 votes

127