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'''PROBLEM 1'''
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1.a.  A sequence (<math>x_n</math>) is said to be a Cauchy sequence if
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      -Choice 2 by '''3.5.1 Definition'''
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1.b.  The statement of the Bolzano-Weierstrass theorem is:
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      -Choice 3 by '''3.4.8 Theorem'''
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1.c.  Let <math>f: A \mapsto \Re</math>.  Suppose that <math>(a,\infty) \subset A</math> for some <math>a \in \Re</math>.  We say the limit of f as <math>x \rightarrow \infty</math> and write <math>\lim_{x\to\infty}f = L</math>
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      -Choice 5 by '''4.3.10 Definition'''
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1.d.  Let <math>A \subset \Re</math>, let <math>f: A \mapsto \Re</math>, and let <math>c \in A</math>.  We say that f is continuous at c if
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      -Choice 4 by '''5.5.1 Definition'''.

Revision as of 19:55, 14 April 2010

Use this page to submit solutions for the test 2. Extra credit will be given to those who will submit solutions, notice and help correct mistakes in the solutions submitted by other students, develop alternative solutions, participate actively in the discussion.

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PROBLEM 1

1.a. A sequence ($ x_n $) is said to be a Cauchy sequence if

     -Choice 2 by 3.5.1 Definition

1.b. The statement of the Bolzano-Weierstrass theorem is:

     -Choice 3 by 3.4.8 Theorem

1.c. Let $ f: A \mapsto \Re $. Suppose that $ (a,\infty) \subset A $ for some $ a \in \Re $. We say the limit of f as $ x \rightarrow \infty $ and write $ \lim_{x\to\infty}f = L $

     -Choice 5 by 4.3.10 Definition

1.d. Let $ A \subset \Re $, let $ f: A \mapsto \Re $, and let $ c \in A $. We say that f is continuous at c if

     -Choice 4 by 5.5.1 Definition.

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Abstract algebra continues the conceptual developments of linear algebra, on an even grander scale.

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