Let vectors A=(1,0,-3) ,B=(-2,5,1) and C=(3,1,1), how do you calculate 3A-2C?
1 Answer
Jan 3, 2016
Explanation:
Scalars are multiplied in.
#3A=<3,0,-9>#
#-2C=<-6,-2,-2>#
To add the vectors, simply add each component separately.
#3A+(-2C)=<3-6,0-2,-9-2>#
#=<-3,-2,-11>#