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If the lines 3x − 4y − 7 = 0 and 2x − 3y − 5 = 0 are two diameters of a circle of area 49π square units, the equation of the circle is
x2 + y2 + 2x − 2y − 47 = 0
x2 + y2 + 2x − 2y − 62 = 0
x2 + y2 − 2x + 2y − 62 = 0
x2 + y2 − 2x + 2y − 47 = 0