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The equation of tangent y= x^2 +4x+1 at ...

The equation of tangent `y= x^2 +4x+1` at `(-1, 2)` is………. A) 2x -y+4=0 B) 2x+y-5=0 C) 2x+y-1=0 D) x+y-1=0

A

2x +y=0

B

2x+y-5=0

C

2x+y-1=0

D

x+y-1=0

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