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Câu hỏi: Cho hàm số $y=f\left( x \right)$ liên tục trên $\left[ 0;5 \right]$. Nếu $\int\limits_{0}^{3}{f\left( x \right)\text{d}x}=6,\int\limits_{3}^{5}{f\left( x \right)\text{d}x}=-10$ thì $\int\limits_{0}^{5}{f\left( x \right)\text{d}x}$ bằng
A. $4$.
B. $-4$.
C. $-60$.
D. $16$.
Ta có $\int\limits_{0}^{5}{f\left( x \right)\text{d}x}=\int\limits_{0}^{3}{f\left( x \right)\text{d}x}+\int\limits_{3}^{5}{f\left( x \right)\text{d}x}=-4.$
A. $4$.
B. $-4$.
C. $-60$.
D. $16$.
Ta có $\int\limits_{0}^{5}{f\left( x \right)\text{d}x}=\int\limits_{0}^{3}{f\left( x \right)\text{d}x}+\int\limits_{3}^{5}{f\left( x \right)\text{d}x}=-4.$
Đáp án B.