Mathematics
Senior High
Resolved
(2)が解答みてもわかりません。誰か教えてください🙇♀️
次の式を簡単にせよ。
(1)
北
x
1
解答 (1)
x+1
(1) (与式)=
(2) -a
(1-1
(x-1) xx
1
(2)
1
1-
1
1-
1+a
xx
x-1
x-1
1
x²-1 (x+1)(x-1) x+1
424
1
1
a
(2) (与式)=
1+a
1+a
a-(1+a)
-
-1
1-
1-
(1+a)-1
a
-a
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わかりやすく丁寧にありがとうこざいます!
理解出来ました✨️