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Determinants and matrices
Calculation of determinants
Calculation of determinants
Calculation of the second order determinant
|a
11
a
12
|
D=
|a
21
a
22
|
|a
11
:
a
12
:
|
|a
21
:
a
22
:
|
Calculation of the third order determinant
|a
11
a
12
a
13
|
D=
|a
21
a
22
a
23
|
|a
31
a
32
a
33
|
|a
11
:
a
12
:
a
13
:
|
|a
21
:
a
22
:
a
23
:
|
|a
31
:
a
32
:
a
33
:
|
Calculation of fourth row determinant
|a
11
a
12
a
13
a
14
|
D=
|a
21
a
22
a
23
a
24
|
|a
31
a
32
a
33
a
34
|
|a
41
a
42
a
43
a
44
|
|a
11
:
a
12
:
a
13
:
a
14
:
|
|a
21
:
a
22
:
a
23
:
a
24
:
|
|a
31
:
a
32
:
a
33
:
a
34
:
|
|a
41
:
a
42
:
a
43
:
a
44
:
|
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