Question

what do you mean by vector addition plzzzzzzzz tellllll​

Answer 1

Definition of vector addition

: the process of finding the geometric sum of a number of vectors by repeated application of the parallelogram law

Answer 2

vector not follow general rules of math .as vector have magnitude as well as direction .so vector added by triangular rule as well as by parallelogram rule .

in vector negative sign indicated it's direction from reference .