Kí hiệu S là diện tích hình phẳng giới hạn bởi đồ...
Câu hỏi: Kí hiệu S là diện tích hình phẳng giới hạn bởi đồ thị hàm số \(y=f(x)\), trục hoành, đường thẳng \(x=a, x=b\) (như hình bên). Hỏi khẳng định nào dưới đây là khẳng định đúng ?![](data:image/png;base64,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)
A. \(S = \left| {\int\limits_a^c {f\left( x \right)dx + \int\limits_c^b {f\left( x \right)dx} } } \right|\)
B. \(S = \int\limits_a^c {f\left( x \right)dx + \int\limits_c^b {f\left( x \right)dx} } \)
C. \(S = - \int\limits_a^c {f\left( x \right)dx + \int\limits_c^b {f\left( x \right)dx} } \)
D. \(S = \int\limits_a^b {f\left( x \right)dx} \)
Câu hỏi trên thuộc đề trắc nghiệm
Đề tham khảo thi HK2 môn Toán lớp 12 năm học 2018 - 2019