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 Sep 18, 2022
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$2+4+8+16+...+$ till $\frac{n}{2}$ terms=?
Difficulty: Easy
A: 
$2^{n}$
B: 
$2^{\frac{n+2}{2}}-2$
C: 
$2^{\frac{n}{2}}+2$
D: 
None of these
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NETNUST Entry TestMathematicsSequence and Series