|Dror Bar-Natan: Classes: 2002-03: Math 157 - Analysis I:||(135)||
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Solve the following 5 problems. Each is worth 20 points although they may have unequal difficulty. Write your answers in the space below the problems and on the front sides of the extra pages; use the back of the pages for scratch paper. Only work appearing on the front side of pages will be graded. Write your name and student number on each page. If you need more paper please ask the tutors. You have an hour and 50 minutes.
Allowed Material: Any calculating device that is not capable of displaying text.
Problem 1. Prove that there is a real number so that
Problem 3. Calculate in each of the following cases. Your answer may be in terms of , of , or of both, but reduce it algebraically to a reasonably simple form. You do not need to specify the domain of definition.
Problem 5. Write a formula for in terms of , and . Under what conditions does your formula hold?