Find equations of a Point whose perpendicular distances from X=4 line is equal to the Y=1 line.
Please give help !
Maths question
2011-03-29 2:47 am
回答 (1)
2011-03-29 4:17 am
✔ 最佳答案
Let P(x , y) be a such point.Then|y - 1| = |x - 4|y - 1 = x - 4x - y - 3 = 0ory - 1 = 4 - x
x + y - 5 = 0
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