indefinite-integration

Question: $\int_{{}}^{{}}{\frac{\cos 2x+x+1}{{{x}^{2}}+\sin 2x+2x}}\ dx=$

1) $\log ({{x}^{2}}+\sin 2x+2x)+c$

2) $-\log ({{x}^{2}}+\sin 2x+2x)+c$

3) $\frac{1}{2}\log ({{x}^{2}}+\sin 2x+2x)+c$

4) None of these

Solution:

Explanation: No Explanation

Integration by substitution

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)