Mathematics
Senior High
この問題が全然分かりません!
恒等式が全く理解出来なくて困ってます
29 次の等式がxについての恒等式となるように, 定数 α, 6, c の値を定めよ。
2x-1
a
b
(1)
=
(x+1)(x+2)
+
x+1 x+2
*(2)
(3)
3x+1
(x-1)(x²+1)
a
bx+c
==
+
x-1 x²+1
→教p.23 応用例題 2
a
b
=
+
3x-5
(2x-1)(x+3) 2x-1 x+3
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