Find an equation of the tangent plane to the surface at the given point. f(x, y) = x2 - 2xy + y?, (6, 9, 9) x-y+3=0

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Q: Question 6 Find the solution. (x+e')dy– dx =0 A y=ce' + xe" B x=ce' + ye' © y=ce*+ye' D x=ce" + ye"

A: Since you have asked multiple question, we will solve the first question for you. If you want any…