The equation of the bisector of the obtuse angle between the lines
3x - 4y + 7 = 0 and 12x + 5y - 2 = 0 is
1) 21x + 77y - 101 = 0
2) 21x + 77y + 101 = 0
3) 21x - 77y - 101 = 0
4) 21x - 77y + 101 = 0
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