If the straight line ax + by + c = 0 always passes through (1, -2), th – McqOptions

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1.	If the straight line ax + by + c = 0 always passes through (1, -2), then a, b, c are in
A.	A.P.
B.	H.P.
C.	G.P.
D.	None of these
Answer» B. H.P.

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