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

If a , b , c are in A . P ., then the straight line ax + 2 by + c = 0 will always pass through a fixed point whose coordinates are _

A

`(1 , -1)`

B

`(-1 , 1)`

C

`(1 , -2)`

D

`(-2 , 1 )`

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The correct Answer is:
A
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