You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser.
[laTEX] \int_{0}^{\frac{\sqrt{2}}{2}} \frac{dx}{\sqrt{1 - x^2}}dx - \int_{0}^{\frac{\sqrt{2}}{2}} \frac{(1-x^2)dx}{\sqrt{1 - x^2}}dx \\ \\ arcsin x \big|_{0}^{\frac{\sqrt{2}}{2}} - \int_{0}^{\frac{\sqrt{2}}{2}} \sqrt{1-x^2}dx[/laTEX]
đặt
x = sin t
vậy là ok nhé