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Results tagged with alternative-proof
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user 48831
Looking for a proof different from the standard proof(s) of a result
7
votes
Alternative proofs sought after for a certain identity
One can also use the binomial transform.
(If $A(z)=\sum_{i\geq 0} a_i z^i$ is a (formal) power series, the (formal) power series $B(z):=\frac{1}{1-z}
A(\frac{z}{1-z})$ has coefficients $[z^n] B(z)=\su …
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