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If the line ax+by+c=0,abne0, is a tangen...

If the line `ax+by+c=0,abne0`, is a tangent to the curve `xy=1-2x`, then

A

`agt0,blt0`

B

`agt0,bgt0`

C

`alt0,bgt0`

D

`alt0,blt0`

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The correct Answer is:
B, D
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