Toán Lớp 12: nếu $\int\limits^2_0 f{(x)} \, dx$ =5 thì $\int\limits^2_0 [2f{(x)-1]} \, dx$ bằng mấy
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Toán Lớp 12: nếu $\int\limits^2_0 f{(x)} \, dx$ =5 thì $\int\limits^2_0 [2f{(x)-1]} \, dx$ bằng mấy
Comments ( 2 )
$=2\displaystyle\int\limits_{0}^2f(x)dx-\displaystyle\int\limits_{0}^2dx$
$=2.5-x\Big|^2_0$
$=10-(2-0)$
$=8$