If the circumcentre of the triangle formed by the lines x + 2 = 0, y + – McqOptions

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1.	If the circumcentre of the triangle formed by the lines x + 2 = 0, y + 2 = 0 and kx + y + 2 = 0 is (-1, -1), then what is the value of k?
A.	-1
B.	-2
C.	1
D.	2
Answer» D. 2

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