Mathematics
Sum of the first \(n\) terms of the series\\
\(\frac{1}{2} + \frac{3}{4} + \frac{7}{8} + \frac{15}{16} + \ldots\ldots\).
is equal to
A
\(2^{n} - n - 1\)
B
\(1 - 2^{- n}\)
C
\(n + 2^{- n} - 1\)
D
\(2^{n} + 1\)
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