Mathematics
Senior High
なぜ2行目の式から答えになるのですか？？
x→5
x-5
x→5
5(f(x)-f(5)}
=lim
-f(5) (x-5)
+lim
x-5
x-5
x→5
x→5
f(x)-f(5)
+lim{-f(5)}=5f'(5)-f(5)
=5lim
x→5
x-5
x→5
ffatい- ジト
01
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