Diketahui vector a = 3i+2j-k,vector b=4i-j+2k,dan vector c = -i +j+3k tentukan

a=3i+2j-k

b=4i-j+2k

c=-i+j+3k

A)

a+b+c

(3,2,-1)+(4,-1,2)+(-1,1,3)=(6,2,4)

B)

2a+b-3c

2(3,2,-1)+(4,-1,2)-3(-1,1,3)

(6,4,-2)+(4,-1,2)-(-3,3,9)

(13,0,-9)