Khẳng định nào sau đây đúng?
\(\displaystyle\int\limits_{-2}^{2}f(x)\mathrm{\,d}x=-\displaystyle\int\limits_{0}^{2}\left[f(x)+f(-x)\right]\mathrm{\,d}x\) | |
\(\displaystyle\int\limits_{-2}^{2}f(x)\mathrm{\,d}x=-2\displaystyle\int\limits_{0}^{2}f(x)\mathrm{\,d}x\) | |
\(\displaystyle\int\limits_{-2}^{2}2f(x)\mathrm{\,d}x=2\displaystyle\int\limits_{-2}^{2}f(x)\mathrm{\,d}x\) | |
\(\displaystyle\int\limits_{-2}^{2}f(x)\mathrm{\,d}x=2\displaystyle\int\limits_{0}^{2}f(x)\mathrm{\,d}x\) |