A. [-1;2] ∪ [0.5;4)
b.[-3.4;5]∪[-3.5;]
c.(1.4)
∪[1,3]
d.[-
π,-3]∪[-3.1;+infinit)
e.(-4,1)∪{-4,1}
f.(-infinit,-2.4)
∪[, + infinit)
g.[0.+infinit)
∪ N
h.(-infinit,-2)
∪[-2.+infinit)
i.(3.+infinit)
∪[-1.0]
j.(-infinit,-√2)
∪[-1.+infinit)

1

Răspunsuri

2014-10-14T21:22:35+03:00
A) =[0,5;2]
c) =[1,3]
b) =[-3,5]
d)=[-3,1;-3]
e)= (-4,1)
f) =?
g)=[0,+infinit)