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JEE Advanced Mathematics question

MathematicsStraight LinesJEE Advanced

The combined equation of two sides of an equilateral triangle is . If the length of a side of the triangle is 4 then the equation of the third side is

Answer: (A),(C)

Solution

. The two sides pass through with slopes , i.e. at to the -axis. The angle between them is bisected by the -axis, on either side of . *(Figure: lines crossing at , each at

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Question ID VK-108873