Nếu $\displaystyle\displaystyle\int\limits_{-1}^{5}f(x)\mathrm{\,d}x=-3$ thì $\displaystyle\displaystyle\int\limits_{5}^{-1}f(x)\mathrm{\,d}x$ bằng
$5$ | |
$6$ | |
$4$ | |
$3$ |
Chọn phương án D.
Ta có $\displaystyle\int\limits_{5}^{-1}f(x)\mathrm{\,d}x=-\displaystyle\int\limits_{-1}^{5}f(x)\mathrm{\,d}x=-(-3)=3$.