File:
[LON-CAPA] /
loncom /
homework /
templates /
HintFormula.problem
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1.3:
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Tue Jan 23 22:49:34 2007 UTC (17 years, 6 months ago) by
albertel
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CVS tags:
version_2_9_X,
version_2_9_1,
version_2_9_0,
version_2_8_X,
version_2_8_99_1,
version_2_8_99_0,
version_2_8_2,
version_2_8_1,
version_2_8_0,
version_2_7_X,
version_2_7_99_1,
version_2_7_99_0,
version_2_7_1,
version_2_7_0,
version_2_6_X,
version_2_6_99_1,
version_2_6_99_0,
version_2_6_3,
version_2_6_2,
version_2_6_1,
version_2_6_0,
version_2_5_X,
version_2_5_99_1,
version_2_5_99_0,
version_2_5_2,
version_2_5_1,
version_2_5_0,
version_2_4_X,
version_2_4_99_0,
version_2_4_2,
version_2_4_1,
version_2_4_0,
version_2_3_99_0,
bz5969,
HEAD,
GCI_2,
GCI_1,
BZ5971-printing-apage,
BZ5434-fox
- lack of samples a desired setup (force to use CAS)
1: <problem>
2: <script type="loncapa/perl">
3: $a1=&random(3,6,1);
4: $e1=&random(3,6,1);
5: $a2=&random(6,8,1);
6: $e2=&random(6,8,1);
7: $da1=$a1*$e1;
8: $da2=$a2*$e2;
9: $de1=$e1-1;
10: $de2=$e2-1;
11: @derivative=($da1.'t^'.$de1,$da2.'t^'.$de2);
12: @wrongderivative=($a1.'t^'.$de1,$a2.'t^'.$de2);
13: </script>
14: <startouttext />
15: What is the derivative of
16: <m eval="on">\[\left(\begin{array}{c}$a1 t^$e1\\ $a2 t^$e2\end{array}\right)\]</m>
17: with respect to <m>$t$</m>?
18: <endouttext />
19: <formularesponse answer="@derivative">
20: <textline readonly="no" size="25" />
21: <hintgroup showoncorrect="no">
22: <formulahint answer="@wrongderivative" name="nomulti"></formulahint>
23: <hintpart on="nomulti">
24: <startouttext />You need to multiply with the original exponent.<endouttext />
25: </hintpart>
26: </hintgroup>
27: </formularesponse>
28: </problem>
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