[問題] ε-δ證明極限
小弟今年剛升大一..
對於ε-δ定理實在搞不太懂(哭)
寫習題的時候碰到這題
用ε-δ定理證明
lim (x^2-3)
x→2
不知道好心的版友能不能教我一下
(習題解答都略過證明= =a)
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