Mathematics
Senior High
数Ⅱの式と証明の問題です。分からないので教えて欲しいです💦
50
5
次の等式を証明せよ。
-2
(2)x+
x3
1
=
x+
x
3
-31 +
XC
15
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次の式の展開式における、[ ]内に指定された項を求めよ。
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