Find ∫(4x - 2/(x^3)) dx

Using the integer rule 1/ (xⁿ) = x^-n question becomes ∫(4x - 2(x^-3)) dx

Then using the formula ∫xⁿ dx = (xⁿ⁺¹)/n+1 and assuming there may be an integer value (+c) the answer is 2(x²) + x^-2 + c