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If non-zero numbers a,b,c are in H.P., t...

If non-zero numbers a,b,c are in H.P., then the straight line `x/a+ y/b+1/c=0` always passes through a fixed point. That point is :

A

`(1-(1)/(2))`

B

(1,-2)

C

(-1,-2)

D

(-1,2)

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