1.

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



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