分母のnは明らかに正の数だから普通にルート取れて
分子の整数部分が変化してるから
lim1/nΣ√[(n+k)/n]=lim1/n∑√(1+k/n)=∫√(1+x)dx
積分範囲は0→1
あとは計算
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分母のnは明らかに正の数だから普通にルート取れて
分子の整数部分が変化してるから
lim1/nΣ√[(n+k)/n]=lim1/n∑√(1+k/n)=∫√(1+x)dx
積分範囲は0→1
あとは計算
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