Find the equation of the tangent plane at the point x = xo = 4, y = yo = 1 of the surface %3D z = f(x, y) = xye*+y Select one: z = 4e + 8e°(x – 4) + 5e°(y – 1) O b. z = 4e + 8e°(x – 4) + 9e°(y – 1) O c. z = 4e° + 5e° (x – 4) + 8e°(y – 1) O d. z = 4e + 9e° (x – 4) + 8e°(y – 1) - Ос. - - O e. None of these

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