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<font size="3">Sigui <span class="nolink"><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«msub»«mi»B«/mi»«mn»1«/mn»«/msub»«mo»=«/mo»«mfenced close=¨]¨ open=¨[¨»«mrow»«msub»«mi»u«/mi»«mn»1«/mn»«/msub»«mo»,«/mo»«msub»«mi»u«/mi»«mn»2«/mn»«/msub»«mo»,«/mo»«msub»«mi»u«/mi»«mn»3«/mn»«/msub»«/mrow»«/mfenced»«/math»</span></span> una base de l'espai vectorial <span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink"><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«msup»«mo»§#8477;«/mo»«mn»3«/mn»«/msup»«/math»</span></span></span></span>. Es considera el vector<br /></span></span></span></font> <div style="text-align: center;"><font size="3"><span class="nolink"><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»x«/mi»«mo»=«/mo»«mi»#v«/mi»«msub»«mo»§nbsp;«/mo»«msub»«mi»B«/mi»«mn»1«/mn»«/msub»«/msub»«/math»</span></span>.<br /></font> <div style="text-align: justify;"><font size="3">Calcula les components de x en la base </font><font size="3"><span class="nolink"><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«msub»«mi»B«/mi»«mn»2«/mn»«/msub»«/math»</span></span> definida pels vectors:</font><br /> <div style="text-align: center;"><span class="nolink"><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mtable columnalign=¨left¨ rowspacing=¨0¨»«mtr»«mtd»«msub»«mi»v«/mi»«mn»1«/mn»«/msub»«mo»=«/mo»«mi»#a1«/mi»«mo»*«/mo»«msub»«mi»u«/mi»«mn»1«/mn»«/msub»«mo»+«/mo»«mi»#b1«/mi»«mo»*«/mo»«msub»«mi»u«/mi»«mn»2«/mn»«/msub»«mo»+«/mo»«mi»#c1«/mi»«mo»*«/mo»«msub»«mi»u«/mi»«mn»3«/mn»«/msub»«/mtd»«/mtr»«mtr»«mtd»«msub»«mi»v«/mi»«mn»2«/mn»«/msub»«mo»=«/mo»«mi»#a2«/mi»«mo»*«/mo»«msub»«mi»u«/mi»«mn»1«/mn»«/msub»«mo»+«/mo»«mi»#b2«/mi»«mo»*«/mo»«msub»«mi»u«/mi»«mn»2«/mn»«/msub»«mo»+«/mo»«mi»#c2«/mi»«mo»*«/mo»«msub»«mi»u«/mi»«mn»3«/mn»«/msub»«/mtd»«/mtr»«mtr»«mtd»«msub»«mi»v«/mi»«mn»3«/mn»«/msub»«mo»=«/mo»«mi»#a3«/mi»«mo»*«/mo»«msub»«mi»u«/mi»«mn»1«/mn»«/msub»«mo»+«/mo»«mi»#b3«/mi»«mo»*«/mo»«msub»«mi»u«/mi»«mn»2«/mn»«/msub»«mo»+«/mo»«mi»#c3«/mi»«mo»*«/mo»«msub»«mi»u«/mi»«mn»3«/mn»«/msub»«/mtd»«/mtr»«/mtable»«/math»</span></span><br /></div><font size="3"><br /><br /><span style="text-decoration: underline;">Nota:</span> si les components en la nova base són 1,2,3 escriviu com a solució {1,2,3}.<br /><br /></font><br /></div><font size="3"><br /></font> <div style="text-align: justify;"><font size="3"><span class="nolink"><span class="nolink"><span class="nolink"></span></span></span></font><br /></div><font size="3"><span class="nolink"><span class="nolink"><span class="nolink"></span></span></span></font></div> <div style="text-align: center;"><font size="3"><span class="nolink"><span class="nolink"><span class="nolink"></span></span></span></font><span class="nolink"><span class="nolink"><br /></span></span></div><br />
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Answer 2
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83.33333%
80%
75%
70%
66.66667%
60%
50%
40%
33.33333%
30%
25%
20%
16.66667%
14.28571%
12.5%
11.11111%
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5%
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33.33333%
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Thursday, 10 December 2015, 10:53 AM
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