Mathematics
Senior High
数llの問題です。お願いします🤲
14 次の式の展開式において, [ ]内のものを求めよ。
*() (x2+21) [x2の項の係数]
(x²+.
(2) (2x³--3
xC
15 二項定理を用いて,次のことを示せ。
1
3x2
[定数項]
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