[tex]\int\limits {cos(x)+2x^{3}+7} \, dx\\\\\int\limits {cos(x)} \, dx+\int\limits {2x^{3} } \, dx+\int\limits {7} \, dx\\\\\int\limits {cos(x)} \, dx+2\int\limits {x^{3} } \, dx+7\int\limits \, dx\\\\sen(x)+2.\frac{x^{4}}{4}+7x\\\\sen(x)+\frac{x^{4}}{2}+7x + c[/tex]