A) 12
B) 6
C) 4
D) 2
Correct Answer: A
Solution :
\[\sqrt{{{2}^{n}}}=64\] Squaring both sides, \[{{2}^{n}}=64\times 64={{(2)}^{6}}\times {{(2)}^{6}}\] \[\Rightarrow \] \[{{2}^{n}}={{(2)}^{12}}\] \[\therefore \] \[n=12\]You need to login to perform this action.
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