If 3x + 4y + k = 0 is a tangent to the hyperbola 9x2 - 16y2 = 144, the – McqOptions

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1.	If 3x + 4y + k = 0 is a tangent to the hyperbola 9x2 - 16y2 = 144, then the value of k is
A.	0
B.	1
C.	-1
D.	-3
Answer» B. 1

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