Tarea 1

Dados los vectores:

A = 2i-j-k
B = i+4j-2k

Hallar

a) AxB
b) BxA
c) A+B
d) A-B

a) AxB= (2,-1,-1)x(1,4,-2) = (2,-4,2)
b) BxA= (1,4,-2)x(2,-1,-1) = (2,-4,2)
c) A+B= (2,-1,-1)+(1,4,-2) = (3,3,-3)
d) A-B= (2,-1,-1)-(1,4,-2) = (1,-5,1)