Straight LineHard
Question
Equation of the pair of straight lines through origin and perpendicular to the pair of straight lines 5x2 - 7xy - 3y2 = 0 is -
Options
A.3x2 - 7xy - 5y2 = 0
B.3x2 + 7xy + 5y2 = 0
C.3x2 - 7xy + 5y2 = 0
D.3x2 + 7xy - 5y2 = 0
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