If\[\int\limits_{1}^{2}{\left\{ {{K}^{2}}+(4-4K)x+4{{x}^{3}} \right\}dx\le 12}\], then which one of the following is correct?

If\[\int\limits_{1}^{2}{\left\{ {{K}^{2}}+(4-4K)x+4{{x}^{3}} \right\}d

1.	If\[\int\limits_{1}^{2}{\left\{ {{K}^{2}}+(4-4K)x+4{{x}^{3}} \right\}dx\le 12}\], then which one of the following is correct?
A.	\[K=3\]
B.	\[0\le K<3\]
C.	\[K\le 4\]
D.	\[K=0\]
Answer» B. \[0\le K<3\]

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If\[\int\limits_{1}^{2}{\left\{ {{K}^{2}}+(4-4K)x+4{{x}^{3}} \right\}dx\le 12}\], then which one of the following is correct?

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