The equation of tangent as we know (y-y0)=m(x-x0) m is the slop at (x0,y0), find the equation of tangent for the function x^2 +2xy-y^2+x =2. at the point (1,2).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 4T
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The equation of tangent as we know (y-y0)=m(x-x0) m is the slop at (x0,y0), find the equation of tangent for the function x^2 +2xy-y^2+x =2. at the point (1,2).
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