Matrices

DADA:
A=721043
B=513-201
C=2567
D=4-231
E=313261
F=170214
Hallar:
a) A+B

721043 + 513-201=1234-241

b) A-C
721043-2567= ᴲ

c) 3A-2B

3721043 - 2513-201 =21630129 -1023-409 = 11 4 -3 412 7

d) A x B = ᴲ

e) A x C

721043 x 2567 = 143528282026

7(2)+0(6)=14+0 =14
7(5)+0(7)=35+0=35
2(2)+4(6)=4+24=28
2(5)+4(7)=10+28=38
1(2)+3(6)=2+18=20
1(5)+3(7)=5+21=26

f) D x C4-231 x 2567=-461222
4(2)+(-2)(6)=8+(-12) = -4
4(5+(-2)(7)=20+(-14)=63(2)+(1)(6)=6 + 6 =12
3(5)+(1)(7)=15+7=22

g) C3=CxCxC
C2=CxC = 2567x2567=3445547922+56=4+30=30
25+57=10+35=45
62+76=12+42=54
65+77=30+49=79

C2xC=34455479 x2567= 338485582823
342+456=68+270=338345+457=170+315=485
542+796=108+474=582
545+797=270+553=823

h) ET x B
E=313261= 313261x 513-201=25-319-335+11+33=15 +1+9=25
3-2+10+31=-6 +0+3=-3
25+61+13=10 +6+3=19
2-2+60+11=-4+0+1=-3

i) AT x B
A=721043→AT= 721043 x 513-201= 10-13123
75+2 1+13=35 +2+3=40
7-2+20+11=-14+0+1=-13
05+31+33=0+3+9=12
0-2+30+31=0+0+3=3