53. The value of m for which the lines 3x = y - 8 and
6x + my + 16 = 0 coincide, is
(1) 2
(2) -2
(3)1/2
(4)-1/2
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Answer:
(2) -2
Step-by-step explanation:
Fot the lines to coincide
a1/a2 = b1/b2 =c1/c2
So, 3/6 = -1/m = 8/16
=> -1/m = 1/2
=> m = -2
(2) -2
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