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JEE Main Mathematics question

MathematicsStraight LinesJEE Main

The pair of lines joining origin to the points of intersection of the two curves ax^2+2hxy+by^2+2gx=0 and will be at right angles, if

Answer: (B)

Solution

Eliminating the linear terms between the two curves, g'\left(ax^2+2hxy+by^2\right)-g\left(a'x^2+2h'xy+b'y^2\right)=0 is the joint equation of the lines from the origin to the

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Question ID VK-024369