ELECTROMAGNETIC HELP.pleasehelp me to understand this?
okay.. so first of all this is not an assignment of mine..i just need to know the answers order for me to understand on how to calculate the answer for this problem..please help me.. ( Pls explain your answer especially the sign ( i mean adding two vectors) i really dont understand on how to add vectors and their sign like positive to negative and negative to positive.please explain it to me briefly ..please..so here it is;.
Given :
M(-1,2,1)
N(3,-3,0)
P(-2,-3,-4)
FIND
a)RMN
b)RMN-RMP
c) |rM|
d)aMP
e|2rp-3rN|