Question: 3. Find the first partial derivatives for s(u, t) = - u + 2t u2 + +2 evaluated at s(2, 1). 4. For the function


3. Find the first partial derivatives for s(u, t) = - u + 2t u2 + +2 evaluated at s(2, 1). 4. For the function z = ex cos(y) find the equation of a. The tangent plane to the given surface at point (0, 0, 1). b. The normal line to the given surface at point (0, 0, 1)
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