∫ (x^3+x-1)/(x^2+1) dx=∫xdx-∫1/x²+1 dx=x²/2 - arc tgx +C, C∈R
załącznik
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∫ (x^3+x-1)/(x^2+1) dx=∫xdx-∫1/x²+1 dx=x²/2 - arc tgx +C, C∈R
załącznik