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If the line ax+by+c=0 always passes thro...

If the line ax+by+c=0 always passes through the fixed point (1,-2) then : a,b,c are in

A

A.P.

B

H.P.

C

G.P.

D

None of these

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The correct Answer is:
A
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TARGET PUBLICATION-STRAIGHT LINE -COMPETITIVE THINKING
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