Mathematics
Senior High
Solved
1行目から2行目ってどうやって微分してるんですか?
至急解き方教えて欲しいです🙇♀️🙇♀️🙇♀️
d
-1)-1 (k-1)!
dx
xk
=(-1)(k-1)!
k
すな
x'
k+1
よっ
k!
=(-1)^- .k+1
て, n=k+1のときにも①は成り立っ
(2)両
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