\[\int_{{}}^{{}}{\frac{\cos 2x+x+1}{{{x}^{2}}+\sin 2x+2x}}\ dx=\] [AI CBSE 1980]

\[\log ({{x}^{2}}+\sin 2x+2x)+c\]

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

\[\frac{1}{2}\log ({{x}^{2}}+\sin 2x+2x)+c\]

\[\int_{{}}^{{}}{\frac{\cos 2x+x+1}{{{x}^{2}}+\sin 2x+2x}}\ dx=\] [AI

1.	\[\int_{{}}^{{}}{\frac{\cos 2x+x+1}{{{x}^{2}}+\sin 2x+2x}}\ dx=\] [AI CBSE 1980]
A.	\[\log ({{x}^{2}}+\sin 2x+2x)+c\]
B.	\[-\log ({{x}^{2}}+\sin 2x+2x)+c\]
C.	\[\frac{1}{2}\log ({{x}^{2}}+\sin 2x+2x)+c\]
D.	None of these
Answer» D. None of these

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\[\int_{{}}^{{}}{\frac{\cos 2x+x+1}{{{x}^{2}}+\sin 2x+2x}}\ dx=\] [AI CBSE 1980]

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