Mi primera revista PROGRMACION FINAL PORTAFOLIO | Page 18

1
2
3
1
0
0
A −1 = [
1
3
3|
0
1
0]
1
2
4
0
0
1
1
2
3
1
0
0
A −1 = [
0
1
0|
−1
1
0]
0
0
1
−1
0
1
1
0
3
3
−2
0
A −1 = [
0
1
0|
−1
1
0]
0
0
1
−1
0
1
1
0
0
6
−2
−3
A −1 = [
0
1
0|
−1
1
0
]
0
0
1
−1
0
1
RESPUESTA
6
−2
−3
A = [
−1
1
0
]
−1
0
1
3∗3
COMPROBACIÓN A ∗ A −1 = I
1
2
3
A = [
1
3
3]
1
2
4
3∗3
6
−2
−3
A = [
−1
1
0
]
−1
0
1
3∗3
( 1)( 6) +( 2)( −1) +( 3)( −1)
( 1)( −2) +( 2)( 1) +( 3)( 0)
( 1)( −3) +( 2)( 0) +( 3)( 1)
A ∗ A −1 =
[( 1)( 6) +( 3)( −1) +( 3)( −1)
( 1)( −2) +( 3)( 1) +( 3)( 0)
( 1)( −3) +( 3)( 0) +( 3)( 1
)]
( 1)( 6) +( 2)( −1) +( 4)( −1)
( 1)( −2) +( 2)( 1) +( 4)( 0)
( 1)( −3) +( 2)( 0) +( 4)( 1)
6 +( −2) +( −3)
−2 + 2 + 0
−3 + 0 + 3
A ∗ A −1 = [
6 +( −3) +( −3)
−2 + 3 + 0
−3 + 0 +
3]
6 +( −2) +( −4)
−2 + 2 + 0
−3 + 0 + 4
RESPUESTA
1
0
0
A ∗ A −1 = [
0
1
0]
0
0
1
3∗3
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