The integral $$\int {{{2{x^3} - 1} \over {{x^4} + x}}} dx$$ is equal to :
(Here C is a constant of integration)
(Here C is a constant of integration)
- A$${\log _e}{{\left| {{x^3} + 1} \right|} \over {{x^2}}} + C$$
- B$${1 \over 2}{\log _e}{{\left| {{x^3} + 1} \right|} \over {{x^2}}} + C$$
- C$${\log _e}\left| {{{{x^3} + 1} \over x}} \right| + C$$
- D$${1 \over 2}{\log _e}{{{{\left( {{x^3} + 1} \right)}^2}} \over {\left| {{x^3}} \right|}} + C$$
✓ Correct answer: C
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