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ΜΗ ΕΠΙΤΡΕΠΤΕΣ ΠΡΑΞΕΙΣ
(+∞) – (+∞) , (-∞) + (+∞) , (+∞) . 0 , (-∞).0
∞+∞−
∞−∞+
∞−∞−
∞+∞+
,,,
0,
0,
0,
00 α∞−∞+
, ( ) 0,0 ∞±± ∞
ΑΠΡΟΣΔΙΟΡΙΣΤΕΣ ΜΟΡΦΕΣ
[ ] 0)( 0)(,)()(
,00
)()(
=∞±∞±== xgxf
xgxf
xgxf
[ ] +∞+∞=+∞−+∞=± ∞⋅=⋅ 1)()(,)()()(,)(0)()( 0)( ηxgxfxfxgxf
ΕΠΙΤΡΕΠΤΕΣ ΠΡΑΞΕΙΣ
(+∞)+α = +∞ (-∞)+α = -∞ +∞+(+∞) = +∞ -∞-(-∞) = -∞
-(-∞) = +∞ -(+∞) = -∞ (+∞)(+∞) = +∞ (-∞)(-∞) = +∞
(-∞)(+∞) = -∞ (+∞).α = +∞ , αν α > 0 (+∞).α = -∞ , αν α < 0
00 =∞−
=∞+
αα