Câu 33:
Nếu ∫14f(x)dx=−2\int\limits_{1}^{4}{f\left( x \right)\text{dx}}=-21∫4f(x)dx=−2 và ∫14g(x)dx=−6\int\limits_{1}^{4}{g\left( x \right)\text{dx}}=-61∫4g(x)dx=−6 thì ∫14[f(x)−g(x)]dx\int\limits_{1}^{4}{\left[ f\left( x \right)-g\left( x \right) \right]\text{dx}}1∫4[f(x)−g(x)]dx bằng
