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notes001 (15) - S. F. Ellermeyer MATH 2203 Exam 3 (Version...

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October 23, 2009 S. F. Ellermeyer Name Instructions. Your work on this exam will be graded according to two criteria: mathe- matical correctness and clarity of presentation . In other words, you must know what you are doing (mathematically) and you must also express yourself clearly. In particular, write answers to questions using correct notation and using complete sentences where appropriate. You must write arrows over vectors ! Also, you must supply su¢ cient detail in your solutions (relevant calculations, written explanations of why you are doing these of how you arrived at that answer. As a rule of thumb, the harder that I have to work to interpret what you are trying to say, the less credit you will get. You may use your calculator but you may not use any books or notes. 1. Show that lim ( x;y ) ! (0 ; 0) x 2 cos 2 ( y ) x 2 + 2 y 2 does not exist by demonstrating that there are two di/erent paths of approach to

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This note was uploaded on 02/05/2012 for the course MATH 2203 taught by Professor Ellermeyer during the Fall '10 term at FIU.

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notes001 (15) - S. F. Ellermeyer MATH 2203 Exam 3 (Version...

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