Exam Three MATH 200 Spring, 2010 1 of 6 Name _______________________________ Section _____ Show all your work on the exam paper, legibly and in detail, to receive full credit. The use of a calculator or any other electronic device is prohibited. You may only use techniques discussed to date in class. You must simplify all answersunless you are explicitly instructed not to.Consider the function 2ln 1zxy. a.(8 points) Suppose that xx tand yy tare differentiable functions. Use an appropriate form of the chain rule to find dzdt. b.(7 points) If 2xtand yt, use your answer in part (a) to find dzdtat 1t. Pts P1-15 pts P2-20 pts P3-20 pts P4-15 pts P5-15 pts P6-15 pts Total Score
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