Proposition: Sum of Binomial Coefficients
There is a closed formula for the sum of binomial coefficients \(\sum_{k=0}^n \binom nk\), namely
\[\sum_{k=0}^n \binom nk=2^n.\]
Table of Contents
Proofs: 1
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References
Bibliography
 Forster Otto: "Analysis 1, Differential und Integralrechnung einer VerĂ¤nderlichen", Vieweg Studium, 1983