What is the equation of the normal line to the curve y = x^2 + 2x - 1 at a point (1,2)

can anyone here do this

thanks

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- September 10th 2012, 06:22 AMrcsequation of the normal line
What is the equation of the normal line to the curve y = x^2 + 2x - 1 at a point (1,2)

can anyone here do this

thanks - September 10th 2012, 06:43 AMProve ItRe: equation of the normal line