Question

qual a primitiva de f(x) 4x^3-3cos(3x)

Answer 1

$\int\limits^ {}(4x^{3}-3cos(x))\, dx \\ \\ \int\limits^ {}4x^{3}\, dx-\int\limits^ {}3cos(x)\, dx \\ \\ 4\int\limits^ {}x^{3}\, dx-3\int\limits^ {}cos(x)\, dx \\ x^{4}+3sen(x)+C$