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 <question type="category"><category><text>1MA 03. NOMBRES COMPLEXOS/1MA.03.5 Operar F. polar</text></category></question>
 
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      <text>1MA.03.5.50DT ARREL ENÈSIMA (FPOLAR)</text>
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<table style="background-color: #ffffcc; background-image: url('http://www.insmilaifontanals.cat/none'); color: #006600; border: 4px solid #003300; float: none; text-align: left; vertical-align: top; width: 400px;" border="4" frame="void" rules="none" align="center">
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<td style="background-color: #003300; background-image: url('http://www.insmilaifontanals.cat/none'); color: #ff9900; vertical-align: top; border: 4px solid #003300; width: 100%;" valign="top"><span style="font-size: large; color: #ffff99;">Arrel enèsima en forma polar</span></td>
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<td rowspan="1" valign="top" width="100%"><span style="font-weight: bold; font-size: small; color: #003300;" data-mce-mark="1">Per a calcular l'arrel enèsima d'un nombre en forma polar:</span><br style="font-weight: bold;" />
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<li style="font-weight: bold;"><span style="font-size: small; color: #003300;">el mòdul de l'arrel enèsima és l'arrel enèsima del mòdul: <span class="nolink" data-mce-mark="1">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mroot mathcolor=¨#003300¨»«mi mathvariant=¨bold¨»r«/mi»«mi mathvariant=¨bold¨»n«/mi»«/mroot»«/math»</span></span></li>
<li><span style="font-size: small; color: #003300;"><span style="font-weight: bold;" data-mce-mark="1">els arguments de les n diferents arrels es calculen amb: </span><span class="nolink" data-mce-mark="1">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfrac mathcolor=¨#003300¨»«mrow»«mi mathvariant=¨bold¨»§#945;«/mi»«mo mathvariant=¨bold¨»§#176;«/mo»«mo mathvariant=¨bold¨»+«/mo»«mi mathvariant=¨bold¨»k«/mi»«mo mathvariant=¨bold¨»§#183;«/mo»«mn mathvariant=¨bold¨»360«/mn»«mo mathvariant=¨bold¨»§#176;«/mo»«/mrow»«mi mathvariant=¨bold¨»n«/mi»«/mfrac»«/math»</span></span><br style="font-weight: bold;" /><span style="font-weight: bold; font-size: small; color: #003300;" data-mce-mark="1">es van donant valors a k, des de 0 fins a n-1 per trobar els n angles de la resposta.</span></li>
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