Pillow English Listening

• ε-δ definition 1
｢f(x)︱x￫∞｣ = L ▐ For every ε>0 there exists c such that x>c ⇒ |f(x)−L|<ε.
39169#9733 SBLNGS CHLDRN 9733

○○○ ε-δ definition 1 ⪢⪢
39169#39159 SBLNGS CHLDRN 39159

• ε-δ definition 2
｢f(x)︱x￫c｣ = L ▐ For every ε>0 there exists δ>0 such that 0<|x−c|<δ ⇒ |f(x)−L|<ε.
39169#9734 SBLNGS CHLDRN 9734

○○○ ε-δ definition 2 ⪢⪢
39169#39161 SBLNGS CHLDRN 39161