∫3x3dx=....\int\frac{3}{x^3}dx=....∫x33dx=....
−3x2+C-\frac{3}{x^2}+C−x23+C
−13x2+C-\frac{1}{3x^2}+C−3x21+C
23x2+C\frac{2}{3x^2}+C3x22+C
−32x2+C-\frac{3}{2x^2}+C−2x23+C
−3x22+C-\frac{3x^2}{2}+C−23x2+C