Mathematics
Senior High
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xの3乗の係数の求め方が分かりません😭
(3) (x2+2x+2) 10 (x2-2x+2) 10 の展開式におけるxの係数を求めよ。 また、 x 32 の係数を求めよ。
= (x^-2x²+2x²+2x²-4x² + 4x + 2x²-44+4) 10
(x²+4) 10
=
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ありがとうございます!!😭💞