Question

sendo a=2 3 1 2 b=1 2 5 -2 determine. a)a-b. b)a+b

Answer 1

A= {2; 3; 1; 2}
B= { 1; 2; 5; -2}
a) A-B= { 3, 5, -2}
b) A+B= {-2, 1, 2, 3, 5}