\[\int_{{}}^{{}}{\frac{{{x}^{4}}+{{x}^{2}}+1}{{{x}^{2}}-x+1}\ dx=}\]

1.	\[\int_{{}}^{{}}{\frac{{{x}^{4}}+{{x}^{2}}+1}{{{x}^{2}}-x+1}\ dx=}\]
A.	\[\frac{1}{3}{{x}^{3}}+\frac{1}{2}{{x}^{2}}+x+c\]
B.	\[\frac{1}{3}{{x}^{3}}-\frac{1}{2}{{x}^{2}}+x+c\]
C.	\[\frac{1}{3}{{x}^{3}}+\frac{1}{2}{{x}^{2}}-x+c\]
D.	None of these
Answer» B. \[\frac{1}{3}{{x}^{3}}-\frac{1}{2}{{x}^{2}}+x+c\]

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\[\int_{{}}^{{}}{\frac{{{x}^{4}}+{{x}^{2}}+1}{{{x}^{2}}-x+1}\ dx=}\]

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