A) \[2gH=n{{u}^{2}}(n-2)\]
B) \[gH=(n-2){{u}^{2}}\]
C) \[2gH={{n}^{2}}{{u}^{2}}\]
D) \[gH={{(n-2)}^{2}}{{u}^{2}}\]
Correct Answer: A
Solution :
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