g,6iÓf % Ift&t<UityĄf
2. Wyliczyć wyznaczniki:
12—10 |
0 |
-1 | |
3 10 5 |
b) |
2 |
0 |
2 0-11 |
4 |
4 | |
0 4-23 |
-1 -2 |
e)
4 1
-1 1
0 3
2 0
1-230 | ||
c) |
2-113 1-34-1 3.-1 8 5 |
d) |
1 |
12 3 4 |
g)
h)
2 5 9 14
3 9 19 34
4 14 34 69
1. Metodą przekształceń elementarnych obliczyć macierz odwrotną do danej macierzy:
‘12 3' |
‘1 -1 f |
'1-1 2' | |||
a) |
-1 -1 -4 2 3 8 |
b) |
2-14 ;4 -3 7_ |
c) |
3-2 7 -2 1 -4 |
d)
"2-2 f |
'-1 _4 _2' |
'-1 6 0' | ||
-1 1 -1 |
e) |
2 1 1 |
f) |
1 1 2 |
_ 3 2 2_ |
i 7 CN 1 1 1 1 _1 |
-1 3 -1 |
1
-1
3
•2
-111-1 -1-11 1 1111
i)
1 |
2 ' |
3 |
1 |
2 |
-1 |
1 |
2 |
1 |
2 |
1 1 | ||
2 |
-1 |
-2 |
1 |
j) |
1 |
1 |
-3 ' |
-1 |
k) |
-1 |
1 |
-3 1 |
-1 |
1 |
1 |
-3 |
-1 |
2 |
1 |
2 |
2 |
-4 |
1 1 | ||
2 |
2 |
2 |
1 |
1 |
3 |
1 |
1 |
2 |
-1 |
-1 4 |
1 |
2 |
-1 |
1 |
1 |
2 |
1 |
• 3 ' |
-1 |
1 | |
2 |
-1 |
2 |
-3 |
1 |
-1 |
2 |
-2 |
1 |
2 | |
-1 |
1 |
1 |
1 |
-3 |
m) |
1 |
o — J |
-2 |
2 |
-1 |
-1 |
-3 |
-1 |
2 |
2 |
-1 |
1 |
2 |
-1 |
-1 | |
2 |
-2 • |
2 |
2 |
2 |
1 |
1 |
1 |
1 |
1 |
'1
I)