# The line y = mx +

It is given that the line y = mx + 1 is a tangent to the curve y2 = 4x.

Slope of the line = m

Slope of the curve

Differentiating the curve we get

The given line is a tangent to the curve so the point passes through both line and curve.

2 – m =1

m = 1

Hence, the correct option is A.

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