A) \[{{x}^{4}}-{{x}^{3}}+{{x}^{2}}-4x+8\]
B) \[{{x}^{3}}+{{x}^{2}}-4x+8\]
C) \[{{x}^{4}}-{{x}^{3}}+{{x}^{2}}+4x-8\]
D) \[{{x}^{4}}-{{x}^{3}}-{{x}^{2}}+4x-8\]
Correct Answer: A
Solution :
\[\underset{\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_}{\mathop{\underset{{{x}^{4}}-{{x}^{3}}+{{x}^{2}}-4x+8}{\mathop{\underset{\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_}{\mathop{\begin{align} & {{x}^{4}}+0+2{{x}^{2}}-3x+7 \\ & (-)\,\,\,\,\,\,\,\,\,\,{{x}^{3}}+{{x}^{2}}+x-1 \\ \end{align}}}\,}}\,}}\,\]
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