Knockout BITSAT 2021
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Find the equation of the hyperbola whose directrix is 2x + y = 1, focus (1, 2) and eccentricity
7x2 - 2y2 + 12xy - 2x + 14y - 22 = 0
7x2 - 2y2 + 2xy - 2x + 14y - 22 = 0
7x2 - 2y2 + xy - 14x + 2y - 22 = 0
none of the above