Question 1132418: 1. The coordinates of the vertices of triangle abc are a(-2,1), b(4,-2) and c(1,8) respectively. If d(x,y) is the foot of the perpendicular from a to bc, find (A)an equation connecting x and y (B)the unit vector in the direction of bc
Answer by ikleyn(52803)   (Show Source):
You can put this solution on YOUR website! .
There is something wrong with the condition.
Notice that (x,y) are COORDINATES of the single point D.
Therefore, the assignment (A) "find an equation connecting x and y" MAKES NO SENSE.
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I have very bad experience with some (unknown to me) visitors of this forum.
When I point them to their mistakes in their posts, they, instead to thank me, send their damnations to me.
Please do not follow that way . . .
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