T
trinhthiphuong1


Tính:
[TEX]\int\limits_0^1 {\sqrt {3x + 1} dx}[/TEX]
[TEX]\int\limits_1^2 {\sqrt {{x^2} - 1} dx}[/TEX]
[TEX]\int\limits_1^2 {\sqrt {{x^3} - 1} dx}[/TEX]
[TEX]\int\limits_0^1 {\sqrt {\frac{{7x + 1}}{{x + 1}}} dx}[/TEX]
[TEX]\int\limits_0^1 {\sqrt {3x + 1} dx}[/TEX]
[TEX]\int\limits_1^2 {\sqrt {{x^2} - 1} dx}[/TEX]
[TEX]\int\limits_1^2 {\sqrt {{x^3} - 1} dx}[/TEX]
[TEX]\int\limits_0^1 {\sqrt {\frac{{7x + 1}}{{x + 1}}} dx}[/TEX]
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