Mathematics
Senior High
Resolved
答えが合わないので途中式を教えてください🙏💦
2 次の式の展開式における[ ] 内の項の係数を求めよ。
ープ各) (e+3)7 [z (NT ーリ) 1Zツ1
⑲ (テー=) 0 (ee-二) 時
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