T
thaihang99


Tính tích phân:
[TEX] I=\int_{0}^{1} \frac{{x}^{2} + 1 }{ x + 1}. ln(x +1)dx[/TEX]
[TEX] I=\int_{0}^{1} \frac{{x}^{2} + 1 }{ x + 1}. ln(x +1)dx[/TEX]
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