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# View of /trunk/NationalProblemLibrary/Rochester/setComplexNumbers/ur_cn_1_29.pg

Tue Jul 17 13:55:24 2007 UTC (5 years, 10 months ago) by jjholt
File size: 1137 byte(s)
Fixed edition tags.


    1 ## DESCRIPTION
2 ## Calculus
3 ## ENDDESCRIPTION
4
5 ## KEYWORDS ('complex','imaginary','absolute value')
6 ## Tagged by cmd6a 4/20/06
7
8 ## DBsubject('Calculus')
9 ## DBchapter('Complex Variables')
10 ## DBsection('Complex Analytic Functions')
11 ## Date('')
12 ## Author('')
13 ## Institution('Rochester')
14 ## TitleText1('Complex Analysis')
15 ## EditionText1('3')
16 ## AuthorText1('Saff, Snyder')
17 ## Section1('1.6')
18 ## Problem1('')
19
20 DOCUMENT();        # This should be the first executable line in the problem.
21
23 "PG.pl",
24 "PGbasicmacros.pl",
25 "PGchoicemacros.pl",
27 "PGauxiliaryFunctions.pl",
28 "PGcomplexmacros.pl"
29 );
30
31 TEXT(beginproblem());
32
33 $check = new_checkbox_multiple_choice(); 34 35$check -> qa(
36 "Which of the given sets are closed regions?",#ae
37 "$$\vert z-1+i \vert \le 3$$",
38 "$$\vert z \vert \ge 2$$"
39 );
40
41 $check -> extra( 42 "$$0<\vert z - 2 \vert < 3$$", 43 "$$\vert Arg\ z \vert < \frac{\pi}{4}$$", 44 "$$-1<\ Im\ z \le 1$$", 45 "$$(Re\ z)^2>1$$" 46 ); 47 48 BEGIN_TEXT 49 \{$check->print_q \}
50 \{ $check->print_a \} 51 END_TEXT 52 53 ANS(checkbox_cmp($check->correct_ans ));
54
55 ENDDOCUMENT();        # This should be the last executable line in the problem.
56