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Test-Lidia
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<p> Estudia el sistema segons els valors de a <span class="nolink">«math xmlns="http://www.w3.org/1998/Math/MathML"»«mfenced close="}" open=""»«mtable»«mtr»«mtd»«mo»(«/mo»«mi»a«/mi»«mo»+«/mo»«mn»1«/mn»«mo»)«/mo»«mi»x«/mi»«mo»+«/mo»«mi»y«/mi»«mo»+«/mo»«mi»z«/mi»«mo»=«/mo»«mo»-«/mo»«mn»1«/mn»«/mtd»«/mtr»«mtr»«mtd»«mo»(«/mo»«mo»-«/mo»«mi»a«/mi»«mo»-«/mo»«mn»1«/mn»«mo»)«/mo»«mi»x«/mi»«mo»-«/mo»«mn»2«/mn»«mi»z«/mi»«mo»=«/mo»«mn»2«/mn»«/mtd»«/mtr»«mtr»«mtd»«mi»y«/mi»«mo»+«/mo»«mo»(«/mo»«msup»«mi»a«/mi»«mn»2«/mn»«/msup»«mo»-«/mo»«mi»a«/mi»«mo»-«/mo»«mn»1«/mn»«mo»)«/mo»«mi»z«/mi»«mo»=«/mo»«mo»-«/mo»«mi»a«/mi»«mo»+«/mo»«mn»2«/mn»«/mtd»«/mtr»«/mtable»«/mfenced»«/math»</span> </p> <p></p> <p>El sistema és SI si a={:MC:=0~=-1~1~2~-2~3}</p> <p>El sistema és SCI si a={:MC:=1~0~-1~2~-3} i la solució és x={:MC:=-1-t~1+t~t~0~2t-1~-2} y={:MC:-1-t~=1+t~t~0} z={:MC:-1-t~1+t~=t~0~3t+2~t-3}</p>
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Monday, 12 August 2013, 9:03 AM
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