Question

the equation to the pair of straight lines through the origin and perpendicular to 2x²−4xy−7y2=0 is​

Answer 1

Answer:

We can get equation of pair of line interchanging coefficients of x^2 and y^2 and changing sign of xy term

Hence required equation is

2x²−4xy−7y2=0=2x²+4xy+7y2=0

Step-by-step explanation:

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