Questions
Suppose that and be two points and be a point on such that is minimum then the point is
detailed solution
Correct option is B
Since the condition is |PA−PB| minimum, the point P lies on the line AB The equation of AB is y−5=5−17−5x−7y−5=2x−142x−y−9=0 Hence the point P is the point of intersection of the line 2x−y−9=0 and y=x Plug in y=x in the equation 2x−y−9=02x−x−9=0x=9 Therefore, the point P is P(9,9)Talk to our academic expert!
Similar Questions
A rectangular billiard table has vertices at and A small billiard ball starts at moves in a straight line to the top moves in a straight line to the top of the table, bounces to the right side of the table, and then comes to rest at . The y-coordinate of the point where it is the right side is
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