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Resol el sistema d'equacions següent:<div><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mfenced close=¨¨ open=¨{¨»«mtable»«mtr»«mtd»«mi»#c«/mi»«mo»§nbsp;«/mo»«mi»x«/mi»«mo»-«/mo»«mi»y«/mi»«mo»=«/mo»«mi»#a«/mi»«/mtd»«/mtr»«mtr»«mtd»«msup»«mi»x«/mi»«mn»2«/mn»«/msup»«mo»+«/mo»«msup»«mi»y«/mi»«mn»2«/mn»«/msup»«mo»=«/mo»«mi»#b«/mi»«/mtd»«/mtr»«/mtable»«/mfenced»«/math»</span></div><div>x<sub>1</sub>={1:SA:=\#x1~=\#x2} y<sub>1</sub>={1:SA:=\#y1~=\#y2}</div><div>x<font class="Apple-style-span" size="2"><sub>2</sub></font>={1:SA:=\#x1~=\#x2} y<sub>2</sub>={1:SA:=\#y1~=\#y2}</div>
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Monday, 15 July 2013, 9:11 AM
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