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If a ,\ b , c are in A.P., then the line...

If `a ,\ b , c` are in A.P., then the line `a x+b y+c=0` passes through a fixed point. write the coordinates of that point.

A

a single line

B

a family of concurrent lines

C

a family of parallel lines

D

none of these

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The correct Answer is:
B
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