Equation of line passing through the poi...

Equation of line passing through the point `(1,2)` and perpendicular to the line `y=3x-1` is

A

`x-3y=0`

B

`x+3y=0`

C

`x+3y-7=0`

D

`x+3y+7=0`

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The correct Answer is:

C

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