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Annotation of loncom/homework/templates/HintFormula.problem, revision 1.4

1.1       www         1: <problem>
1.4     ! bisitz      2: 
        !             3: <script type="loncapa/perl">
1.1       www         4: $a1=&random(3,6,1);
                      5: $e1=&random(3,6,1);
                      6: $a2=&random(6,8,1);
                      7: $e2=&random(6,8,1);
                      8: $da1=$a1*$e1;
                      9: $da2=$a2*$e2;
                     10: $de1=$e1-1;
                     11: $de2=$e2-1;
                     12: @derivative=($da1.'t^'.$de1,$da2.'t^'.$de2);
                     13: @wrongderivative=($a1.'t^'.$de1,$a2.'t^'.$de2);
1.4     ! bisitz     14: </script>
        !            15: 
        !            16: <startouttext />
1.2       albertel   17: What is the derivative of
1.4     ! bisitz     18: <m eval="on">\[\left(\begin{array}{c}$a1 t^$e1\\ $a2 t^$e2\end{array}\right)\]</m> with respect to <m>$ t $</m>?
        !            19: <endouttext />
        !            20: 
        !            21: <formularesponse answer="@derivative">
        !            22:     <textline readonly="no" size="25" />
        !            23:     <hintgroup showoncorrect="no">
        !            24:         <formulahint answer="@wrongderivative" name="nomulti"></formulahint>
        !            25:         <hintpart on="nomulti">
        !            26:             <startouttext />You need to multiply with the original exponent.<endouttext />
        !            27:         </hintpart>
        !            28:     </hintgroup>
        !            29: </formularesponse>
        !            30: 
1.1       www        31: </problem>