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version 1.1, 2007/01/22 21:48:55
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version 1.3, 2007/01/23 22:49:34
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Line 1
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Line 1
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| <problem> |
<problem> |
| <script type="loncapa/perl"> |
<script type="loncapa/perl"> |
| $a1=&random(3,6,1); |
$a1=&random(3,6,1); |
| $e1=&random(3,6,1); |
$e1=&random(3,6,1); |
| $a2=&random(6,8,1); |
$a2=&random(6,8,1); |
|
Line 10 $de1=$e1-1;
|
Line 10 $de1=$e1-1;
|
| $de2=$e2-1; |
$de2=$e2-1; |
| @derivative=($da1.'t^'.$de1,$da2.'t^'.$de2); |
@derivative=($da1.'t^'.$de1,$da2.'t^'.$de2); |
| @wrongderivative=($a1.'t^'.$de1,$a2.'t^'.$de2); |
@wrongderivative=($a1.'t^'.$de1,$a2.'t^'.$de2); |
| </script> |
</script> |
| <startouttext />What is the derivative of |
<startouttext /> |
| |
What is the derivative of |
| <m eval="on">\[\left(\begin{array}{c}$a1 t^$e1\\ $a2 t^$e2\end{array}\right)\]</m> |
<m eval="on">\[\left(\begin{array}{c}$a1 t^$e1\\ $a2 t^$e2\end{array}\right)\]</m> |
| with respect to <m>$t$</m>?<endouttext /> |
with respect to <m>$t$</m>? |
| <formularesponse answer="@derivative"> |
<endouttext /> |
| <textline readonly="no" size="25" /> |
<formularesponse answer="@derivative"> |
| <hintgroup showoncorrect="no"> |
<textline readonly="no" size="25" /> |
| <formulahint answer="@wrongderivative" name="nomulti"></formulahint> |
<hintgroup showoncorrect="no"> |
| <hintpart on="nomulti"> |
<formulahint answer="@wrongderivative" name="nomulti"></formulahint> |
| <startouttext />You need to multiply with the original exponent.<endouttext /> |
<hintpart on="nomulti"> |
| </hintpart> |
<startouttext />You need to multiply with the original exponent.<endouttext /> |
| </hintgroup> |
</hintpart> |
| </formularesponse> |
</hintgroup> |
| |
</formularesponse> |
| </problem> |
</problem> |
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