Math 023 Second Exam Solution - Calculus III Second 4...

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Calculus III Second 4 O’Clock Exam SolutionsMath 23, Fall 20141.Letf(x, y, z) =x2z2+zsiny.What is the value of the largest possible directionalderivative offat the point(2,0,-1)?
2.Find the (equation for the) tangent plane to the surface

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