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1 : jjholt 184 ## DESCRIPTION
2 :     ## Calculus
3 :     ## ENDDESCRIPTION
4 : jj 143
5 : jjholt 184 ## KEYWORDS ('complex','imaginary','derivative')
6 :     ## Tagged by cmd6a 4/20/06
7 : jj 143
8 : jjholt 184 ## DBsubject('Calculus')
9 : jjholt 449 ## DBchapter('Complex Variables')
10 : jjholt 184 ## DBsection('Complex Analytic Functions')
11 :     ## Date('')
12 :     ## Author('')
13 :     ## Institution('Rochester')
14 : jjholt 443 ## TitleText1('Complex Analysis')
15 : jjholt 184 ## EditionText1('')
16 : jjholt 443 ## AuthorText1('Saff, Snyder')
17 : jjholt 184 ## Section1('2.3')
18 :     ## Problem1('7')
19 :    
20 : jj 143 DOCUMENT(); # This should be the first executable line in the problem.
21 :    
22 :     loadMacros(
23 :     "PG.pl",
24 :     "PGbasicmacros.pl",
25 :     "PGchoicemacros.pl",
26 :     "PGanswermacros.pl",
27 :     "PGauxiliaryFunctions.pl",
28 :     "PGcomplexmacros.pl"
29 :     );
30 :    
31 :     TEXT(beginproblem());
32 :    
33 :     $a = random( 1, 6, 1 );
34 :     $b = random( 3, 6, 1 );
35 :     $c = random( 2, 5, 1 );
36 :     $d = random( 1, 7, 1 );
37 :     $f = random( 5, 8, 1 );
38 :    
39 :     $g = random( 2, 8, 1 );
40 :     $h = random( 1, 5, 1 );
41 :     $j = random( 3, 7, 1 );
42 :     $k = random( 2, 7, 1 );
43 :    
44 :     BEGIN_TEXT
45 :     Find the derivatives of the following functions:$PAR
46 :     (1) \(f(z)\ =\ \frac{(z\ +\ $a)^$b}{(z^2\ +\ $c iz\ +\ $d)^$f}\)\{ans_rule(40)\}$PAR
47 :     (2) \(f(z)\ =\ $g i(z^3\ -\ $h)^$j(z^2+$k iz)^{100}\)\{ans_rule(40)\}$PAR
48 :    
49 :     $PAR
50 :     END_TEXT
51 :    
52 :     $ans = "(z+$a)**($b-1)*($b*(z**2+$c*i*z+$d)-$f*(z+$a)*(2*z+$c*i))/(z**2+$c*i*z+$d)**($f+1)";
53 :     ANS(fun_cmp( $ans, var => [ 'z', 'i' ]));
54 :     $ans = "$g*i*(z**3-$h)**($j-1)*(z**2+$k*i*z)**99*($j*(3*z**2)*(z**2+$k*i*z)+100*(2*z+$k*i)*(z**3-$h))";
55 :     ANS(fun_cmp( $ans, var => [ 'z', 'i' ]));
56 :    
57 :     ENDDOCUMENT(); # This should be the last executable line in the problem.
58 :    

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