## DESCRIPTION
## Linear Algebra
## ENDDESCRIPTION

## KEYWORDS('determinant' 'matrix')
## Tagged by tda2d

## DBsubject('Linear Algebra')
## DBchapter('Matrices')
## DBsection('Determinants')
## Date('')
## Author('')
## Institution('TCNJ')
## TitleText1('')
## EditionText1('')
## AuthorText1('')
## Section1('')
## Problem1('')

DOCUMENT();        # This should be the first executable line in the problem.

loadMacros(
"PG.pl",
"PGbasicmacros.pl",
"PGchoicemacros.pl",
"PGanswermacros.pl",
"PGgraphmacros.pl",
"PGmatrixmacros.pl", 
"PGnumericalmacros.pl",
"PGauxiliaryFunctions.pl"
);

TEXT(beginproblem());
$showPartialCorrectAnswers = 1; 

BEGIN_TEXT

\{ mbox([ 'If \(A=\)', display_matrix([[k, 0, 0], [0, 1, 0], [0, 0, 1]]) ]) \}
$BR
\{ mbox( 'then \(\det\,(A)= \ \)', ans_rule(20) ) \}

END_TEXT

ANS(str_cmp("k"));

ENDDOCUMENT();       # This should be the last executable line in the problem.