✨ Best Answer ✨
∫(x^2+1)/(x^2+2x+1) dx
= ∫{(x+1)(x-1)+2}/(x+1)^2 dx
= ∫(x-1)/(x+1) dx +∫2/(x+1)^2 dx
= ∫{(x+1)-2}/(x+1) dx -2/(x+1)
= ∫1-2/(x+1) dx -2/(x+1)
= x-2log(x+1)-2/(x+1)+C (C:積分定数)
すごい見辛くてすみません💦
✨ Best Answer ✨
∫(x^2+1)/(x^2+2x+1) dx
= ∫{(x+1)(x-1)+2}/(x+1)^2 dx
= ∫(x-1)/(x+1) dx +∫2/(x+1)^2 dx
= ∫{(x+1)-2}/(x+1) dx -2/(x+1)
= ∫1-2/(x+1) dx -2/(x+1)
= x-2log(x+1)-2/(x+1)+C (C:積分定数)
すごい見辛くてすみません💦
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