tarea matrices.xlsx
3
EJERCICIO 1 1 -2 3 A= 5 -1 2 Det = 22 3 4 -3 -5 21 23 adj(A)= 6 -12 -10 -1 13 9 1 5 3 Trans= -2 -1 4 3 2 -3 EJERCICIO 2 x -3y +2z = -3 5x +6y -z = 13 4x -y +3z = 8 1 -3 2= -3 5 6 -1 = 13 Det= 16 4 -1 3= 8 AX -3 -3 2 13 6 -1 Det= -32 8 -1 3 x= -2 AY 1 -3 2 5 13 -1 Det= 80 4 8 3 y= 5 AZ 1 -3 -3 5 6 13 det= 112 4 -1 8 z= 7
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Transcript of tarea matrices.xlsx
EJERCICIO 11 -2 3
A= 5 -1 2 Det = 223 4 -3
-5 21 23adj(A)= 6 -12 -10
-1 13 9
1 5 3Trans= -2 -1 4
3 2 -3
EJERCICIO 2
x -3y +2z = -35x +6y -z = 134x -y +3z = 8
1 -3 2 = -35 6 -1 = 13 Det= 164 -1 3 = 8
AX-3 -3 213 6 -1 Det= -32
8 -1 3 x= -2AY
1 -3 25 13 -1 Det= 804 8 3 y= 5
AZ1 -3 -35 6 13 det= 1124 -1 8 z= 7
-5 21 23 -0.23 0.27 -0.05A-1= 1/22 * 6 -12 -10 = 0.95 -0.55 0.59
-1 13 9 1.05 -0.45 0.41
EJERCICIO 3
U= 3 5 -4 3 5 U X V= -23 -19 -41V= 7 -2 -3 7 -2
