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The equation of the line passing through...

The equation of the line passing through the point `(1,2)` and perpendicular to the line `x+y+1=0` is

A

y - x + 1 = 0

B

y - x - 1 = 0

C

y - x + 2 = 0

D

y - x - 2 = 0

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The correct Answer is:
B
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