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thaitong0208
2 năm trước
Cho biết $\int\limits^1_0 {f(x)} \, dx$ = 2 $\int\limits^1_0 {g(x)} \, dx$ = -3 . Giá trị của $\int\limits^1_0 {[2f(x)+g(x)]} \, dx$ là A:-1 B:2 C:1 D:-3
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