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<p>Fie matricele A=#A şi B=#B.</p> <p>a. Matricea A·B este {:MCH:~\#P1 #Greşit!~\#P2 #Greşit~=\#P #Corect!}.</p> <p>b. Matricea A<sup>T </sup>- B<sup>T</sup> este {:MCH:~\#E1 #Greşit!~\#E2 #Greşit!~=\#E #Corect!}.</p> <p>c. Dacă X=#Y şi C=A · X, atunci soluţiile din <strong>«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi mathvariant=¨normal¨»§#8450;«/mi»«/math»</strong> ale ecuaţiei det#T=#d sunt {:MCH:~\#sol1 #Greşit!~\#sol2 #Greşit!~=\#solutia #Corect!}.</p>
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Monday, 20 October 2014, 3:00 PM
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