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