$Q . T h e \tan g e n t l i n e s t o t h e c i r c l e x^{2} + y^{2} - 6 x + 4 y = 12 w h i c h a r e p a r a l l e t o t h e l i n e 4 x + 3 y + 5 = 0 a r e g i v e n b y : (1) 4 x + 3 y - 7 = 0, 4 x + 3 y + 15 = 0 (2) 4 x + 3 y - 31 = 0, 4 x + 3 y + 19 = 0 (3) 4 x + 3 y - 17 = 0, 4 x + 3 y + 13 = 0 (4) n o n e o f t h e s e$

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