A) \[2\sqrt{3}\,c{{m}^{2}}\]
B) \[2\sqrt{4}\,c{{m}^{2}}\]
C) \[3c{{m}^{2}}\]
D) \[3\sqrt{3}\,c{{m}^{2}}\]
Correct Answer: B
Solution :
\[2\sqrt{4}\,c{{m}^{2}}\]
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