1.

If sum of the perpendicular distances of a variable point P(x,y) form the lines x+y−5=0 and 3x−2y+7=0 is always 10. Show that P must move on a line.

Answer»

If sum of the perpendicular distances of a variable point P(x,y) form the lines x+y5=0 and 3x2y+7=0 is always 10.
Show that P must move on a line.



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