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Find the equation of the tangent line to the curve `y=x^2-2x+7`which is(a) parallel to the line `2x y + 9 = 0`(b) perpendicular to the line `5y 15 x = 13`.

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The correct Answer is:
(1) y02x-3=0
(2) 36y+12x-227=0
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