Mathematics
Senior High
Resolved
赤の式から青の式への計算方法を教えてください🙇🏼♀️
2y= f(x) KONT, Elim
fa+h)-fa-h)
をf'(α) を用い
h→0
h
て表せ。(思判表5点)
f(a+h)-fa-h)
=
lim
=
h→0
h
lim
h→0
f(a+h)-f(a)
h
lim
h→0
fa+h)-f(a)+f(a)− f(a− h)
fa-h)-f(a)]
h
h
f(a+h)-f(a)+ fla-h)-f(a)
-h
f(a)]
=
=
=
lim
h→0
f'(a)+f'(a)
= 2f (a)
h
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ありがとうございます! わかりました!