View of /trunk/NationalProblemLibrary/UCSB/Stewart5_2_3/Stewart5_2_3_18.pg

    1 ## DBsubject('Calculus')
    2 ## DBchapter('Limits and Derivatives')
    3 ## DBsection('Calculating Limits Using the Limit Laws')
    4 ## KEYWORDS('Product','Quotient','Differentiation')
    5 ## TitleText1('Calculus: Early Transcendentals')
    6 ## EditionText1('5')
    7 ## AuthorText1('Stewart')
    8 ## Section1('2.3')
    9 ## Problem1('18')
   10 ## Author('')
   11 ## Institution('UCSB')
   12 
   13 DOCUMENT();
   14 
   15 loadMacros(
   16 "PG.pl",
   17 "PGbasicmacros.pl",
   18 "PGchoicemacros.pl",
   19 "PGanswermacros.pl",
   20 "PGauxiliaryFunctions.pl"
   21 );
   22 
   23 TEXT(&beginproblem);
   24 $showPartialCorrectAnswers = 1;
   25 $a=random(1,10,1)*random(-1,1,2);
   26 $b=random(1,10,1)*random(-1,1,2);
   27 $c=random(1,10,1)*random(-1,1,2);
   28 
   29 BEGIN_TEXT
   30 
   31 $PAR
   32 
   33 Evaluate the limit, if it exists. If not, enter "n" below. $PAR
   34 \(\displaystyle \lim_{x \to 1} \frac{x^3-1}{x^2-1}\)
   35 
   36 $PAR
   37 
   38 \{ans_rule(10)\}
   39 
   40 END_TEXT
   41 
   42 ANS(fun_cmp("3/2", var=>"n"));
   43 
   44 ENDDOCUMENT();