Ushtrimi 10

Të njehsohen integralet:

a) $$\int_0^1 (3x^2 - 2x - 5) dx; \int_{-1}^0 (3x^2 - 2x - 5) dx; \int_{-2}^{-1} (3x^2 - 2x - 5) dx.$$

b) $$\int_0^1 \frac{1-x^2}{1+x} dx; \int_1^2 \frac{1-x^2}{1+x} dx; \int_1^5 \frac{1-x^2}{1+x} dx; \int_4^5 \frac{1-x^2}{1+x} dx.$$