Nếu \(\displaystyle\int\limits_0^1f\left(x\right)\mathrm{\,d}x=4\) thì \(\displaystyle\int\limits_0^12f\left(x\right)\mathrm{\,d}x\) bằng
\(16\) | |
\(4\) | |
\(2\) | |
\(8\) |
Chọn phương án D.
\(\displaystyle\int\limits_0^12f\left(x\right)\mathrm{\,d}x=2\displaystyle\int\limits_0^1f\left(x\right)\mathrm{\,d}x=2.4=8\).