JEE Main Mathematics question

If the lines represented by the equation ax^2+2hxy+by^2+2gx+2fy+c=0 are equidistant from the origin, then

(A)Correct
(B)
(C)
(D)None of these

Answer: (A)

Solution

Writing the lines as and with equal distances from the origin and comparing the constant terms and the linear terms of the product gives the standard condition .

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Question ID VK-024644