Question

Calculati lx+yl , lxl+lyl:
a.a=-19,b=-13
b.a=8,b=-12
c.a=-3,b=-2
d.a=7,b=-3

Answer 1

a)
|-19-13| = |-32| = 32
|-19| + |-13| = 32

b)
|8-12| = |-4| = 4
|8| + |-12| = 20

c)
|-3-2| = 5
|-3| + |-2| = 5

d)
|7-3| = 4
|7| + |-3| = 10