Question

what is the definition of unit vector​

Answer 1

Answer:

$a \: vector \: which \: has \: a \: magnitude \: of \: \:one.$

.a vector which has a magnitude of one.

Answer 2

Answer:

In mathematics, a unit vector in a normed vector space is a vector of length 1. A unit vector is often denoted by a lowercase letter with a circumflex, or "hat". The term direction vector is used to describe a unit vector being used to represent spatial direction, and such quantities are commonly denoted as d.