![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
1.Tìm nguyên hàm:
[tex]I_{1}=[/tex] [tex]\int \frac{sin2x}{\sqrt{1+3cos^{2}x}}dx[/tex]
2. Tính tích phần
[tex]I_{2}=\int_{0}^{1}x^{3}.\sqrt{1-x^{2}}dx[/tex]
[tex]I_{1}=[/tex] [tex]\int \frac{sin2x}{\sqrt{1+3cos^{2}x}}dx[/tex]
2. Tính tích phần
[tex]I_{2}=\int_{0}^{1}x^{3}.\sqrt{1-x^{2}}dx[/tex]