Evaluating a Definite Integral as a Limit In
Exercises 5-10, evaluate the definite integral by
the limit definition.
6
3
5. \int_{2}^{6} 8 \,dx
6. \int_{-2}^{3} x \,dx
1
4
7. \int_{-1}^{1} x^{3} \,dx
8. \int_{1}^{4} 4x^{2} \,dx
2
1
9. \int_{1}^{2} (x^{2} + 1) \,dx
10. \int_{-2}^{1} (2x^{2} + 3) \,dx