If the sum of the distances of a moving point from two perpendicular lines in a plane is always 1, then, its locus is
A
Parabola
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B
Ellipse
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C
Hyperbola
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D
None of these
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Solution
The correct option is D None of these Suppose that the perpendicular line are drawn as x−axis and y−axis. Then sum of distance from the point P(x,y) is 1 ∴|x|+|y|=1 This would be the locus of the point P which would be a square whose sides are x+y=1,−x+y=1,−x−y=1,x−y=1