Determinantes 2X2

TECNOLIGICO DE ESTUDIOS SUPERIODES DE COACALCO
INGENIERIA QUIMICA

ALGEBRA LINEAL
PROF. ISABEL
HERNANDEZ GUZMAN ELSA MARGARITA
8211

DETERMINANTES DE 2x2
1.- 1 6 =1(2)-6(7)=-402.- 5 3 =5(9)-3(3)=36
7 2 3 9

3.- 4 9 =4(-1)-9(5)=-49 4.- 2 -8=2(1)-(-8)(8)=
5 -1 8 1

5.- 3 7 =3(6)-7(2)=4 6.- 6 -2 =6(8)-(-2)(1)=66
2 61 8

7.- 3 4 =3(2)-4(3)=-6 8.- 4 9 = 4(-6)-9(1)=-33
3 21 -6

9.- 4 -7 =4(2)-(-7)(8)=64 10.- 5 7 =5(5)-7(1)= 18
8 2 1 5DETERMINANTES DE 3X3
1.- 1 6 5 1 6 =(1)(7)(1)+(6)(2)(3)+(5)(3)(9)-(5)(7)(3)-(1)(2)(9)-(6)(3)(1)=37
3 7 2 3 7
3 9 1 3 9
2.- 3 4 3 3 4=(3)(2)(1)+(4)(2)(3)+(3)(3)(1)-(3)(2)(3)-(3)(2)(1)-(4)(3)(1)=3
3 2 2 3 2
3 1 1 1 3
3 1 3 4 1 3 =(1)(5)(1)+(3)(6)(2)+(4)(2)(3)-(4)(5)(2)-(1)(6)(3)-(3)(2)(1)=1
2 5 6 25
2 3 1 2 3
4.- 6 3 4 6 3 =(6)(2)(1)+(3)(2)(1)+(4)(1)(2)-(4)(2)(1)-(6)(2)(2)-(3)(1)(1)=-9
1 2 2 1 2
1 2 1 1 2
5.- 3 1 0 3 1=(3)(2)(2)+(1)(1)(1)+(0)(2)(3)-(0)(2)(1)-(3)(1)(2)-(1)(2)(2)=0
2 2 1 2 1
1 3 2 1 3
6.- 1 0 1 1 0 =(1)(1)(3)+(0)(1)(3)+(1)(2)(2)-(1)(1)(3)-(1)(1)(2)-(0)(2)(3)=-22 1 1 2 1
3 2 3 3 2
7.- 4 5 6 4 5 =(4)(1)(1)+(5)(3)(31)+(4)(3)(0)-(5)(2)(1)-(5)(3)(1)-(6)(2)(0)=3
2 1 3 2 1
1 0 1 1 0
8.- 1 0 1 1 0...