[微積] 兩題極限題,求計算過程
在一題題目 "證明sinh(x)微分是cosh(x)" 中看到的步驟,想破頭還是不知道為什麼,
有請高人指點.......
1.
e^(h)+e^(-h)-2
lim ------------------- = 0
h-->0 2h
2.
e^(h)-e^(-h)
lim ----------------- = 1
h-->0 2h
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