Gọi S là diện tích hình phẳng (H) giới hạn bởi các...
Câu hỏi: Gọi S là diện tích hình phẳng (H) giới hạn bởi các đường \(y = f\left( x \right)\), trục hoành và hai đường thẳng \(x = - 1,x = 2\) (như hình vẽ). Đặt \(a=\underset{-1}{\overset{0}{\mathop \int }}\,f\left( x \right)dx\,\,,~\,\,b=\underset{0}{\overset{2}{\mathop \int }}\,f\left( x \right)dx.\) Mệnh đề nào sau đây đúng?![](data:image/jpeg;base64,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)
A S = b – a
B S = b + a
C S = – b + a
D S = – b – a
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử nghiệm THPT Quốc Gia môn Toán của Bộ GD&ĐT lần 3 - năm 2017