A) \[2{{x}^{3}}+{{x}^{2}}-3x+14\]
B) \[2{{x}^{2}}+{{x}^{2}}+14\]
C) \[2{{x}^{3}}+{{x}^{2}}-6x-14\]
D) \[-2{{x}^{3}}-{{x}^{2}}+6x-14\]
Correct Answer: A
Solution :
\[\underset{\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_}{\mathop{\underset{2{{x}^{3}}\,\,\,\,+\,\,\,{{x}^{2}}\,\,\,-3x\,\,\,+\,\,14}{\mathop{\underset{\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_}{\mathop{\begin{align} & 3{{x}^{3}}+{{x}^{2}}+0x+6 \\ & +{{x}^{3}}+0{{x}^{2}}+3x-8 \\ & -\,\,\,\,\,\,\,\,\,-\,\,\,\,\,\,\,\,\,\,-\,\,\,\,\,\,\,\,\,+ \\ \end{align}}}\,}}\,}}\,\]
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