DOCUMENT();

loadMacros(
    'PGstandard.pl',             'PGML.pl',
    'parserRadioMultiAnswer.pl', 'PGcourse.pl'
);

$A = Matrix([ [ 1, 2, 3, 4 ], [ 1, 2, 3, 4 ], [ 1, 2, 3, 4 ] ]);
$B = Matrix([ [ 1, 2 ], [ 1, 2 ], [ 1, 2 ], [ 1, 2 ] ]);

$rma = RadioMultiAnswer(
    [
        [
            'The product \('
                . $A->TeX
                . $B->TeX
                . ' \) is defined. '
                . 'The dimension of the product is %s \(\times\) %s.',
            3,
            2
        ],
        [ 'The product \(' . $A->TeX . $B->TeX . ' \) is NOT defined.' ]
    ],
    0
);

BEGIN_PGML
Select the correct choice below, and, if neccessary, fill in the answer boxes to complete your
choice.

[_]{$rma}{5}
END_PGML

ENDDOCUMENT();