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JEE Main Mathematics question

MathematicsStraight LinesJEE Main

The line meets the -axis at and the -axis at . The perpendicular bisector of meets the line through parallel to -axis at . If the area of the triangle is then the value of is

Answer: 7

Solution

and ; the mid-point of is and the perpendicular bisector has slope : . At :

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Question ID VK-024493