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