Question

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Tính các tích phân sau

1.I=\(\int\limits^{\frac{\Pi}{4}}_0\) (x+1)sin2xdx

2.I=\(\int\limits^2_1\frac{x^2+3x+1}{x^2+x}dx\)

3.I=\(\int\limits^2_1\frac{x^2-1}{x^2}lnxdx\)

4. I=\(\int\limits^1_0x\sqrt{2-x^2}dx\)

5.I=\(\int\limits^1_0\frac{\left(x+1\right)^2}{x^2+1}dx\)

6. I=\(\int\limits^5_1\frac{dx}{1+\sqrt{2x-1}}\)

7. I=\(\int\limits^3_1\frac{1+ln\left(x+1\right)}{x^2}dx\)

8.I=\(\int\limits^1_0\frac{x^3}{x^4+3x^2+2}dx\)

9. I=\(\int\limits^{\frac{\Pi}{4}}_0x\left(1+sin2x\right)dx\)

10. I=\(\int\limits^3_0\frac{x}{\sqrt{x+1}}dx\)

Answer 1

[Trần Thị Hằng]

https://i.imgur.com/Pe6vPSJ.jpg