Question

Given a vector equal to 2i vector minus j vector plus 3k vector and b vector equal to 3i vector minus 2j vector minus 2k vector find unit

A vector plus b vector
A vector minus b vector

Answer 1

a=2i-j+3k

b=3i-2j-2k

a+b=5i-3j+k

a-b=-i+j+5k