Mathematics
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=になる途中式を教えてください

1 {2--+ 1 1 kT(k+1) 剤の 0も301+=n 講>2- k+1 2 1 >0 ニ k(k+1)? 2 4)

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✨ Best Answer ✨

2が消えて、-1/(k+1)+1/k-1/(k+1)^2を通分して計算すれば出るかな

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