!!!!!!!!!!------- reponse pour l'etape 1 -------!!!!!!!!!!
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	  Vous avez r&eacute;pondu: 
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	  <b>I<sub>1</sub></b>=$(delim$(rdelimg1)) \($prborng1\), \($prbornd1\)
	  $(delim$(rdelimd1))
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             <tr><td align="center">$VFI1</td</tr>
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	  <b>I<sub>2</sub></b>=$(delim$(rdelimg2)) \($prborng2\), \($prbornd2\)
	  $(delim$(rdelimd2))
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             <tr><td align="center">$VFI2</td</tr>
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         Voici les intervalles de monotonie maximaux de \(f\): 
	 <br> 
	  <font color=green><tt>$(delim$(delimg1))</tt></font>
          \({\special{color=green} $pborng1 }\), 
          \({\special{color=green} $pbornd1 }\)
          <font color=green><tt>$(delim$(delimd1))</tt></font>
	  <br>
	  <b> et </b>
	  <font color=green><tt>$(delim$(delimg2))</tt></font>
          \({\special{color=green} $pborng2 }\), 
          \({\special{color=green} $pbornd2 }\)
          <font color=green><tt>$(delim$(delimd2))</tt></font>
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