A) 175
B) 25
C) 125
D) 75
Correct Answer: A
Solution :
(a) \[{{2}^{2n-3}}=2048\] \[\Rightarrow {{2}^{2n-3}}={{2}^{11}}\Rightarrow n=7\] \[\Rightarrow 4n+3{{n}^{2}}=4\times 7+3\times {{7}^{2}}\] \[=28+147=175\].You need to login to perform this action.
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