Open ioshift opened 7 months ago
https://ioshift.github.io/post/infinite-binomial-summation/
Problem Evaluate ∑i=n∞(in)⋅14i\sum_{i=n}^\infty\binom{i}{n}\cdot\frac{1}{4^{i}} i=n∑∞(ni)⋅4i1 Solution Let f(n)=∑i=n∞...
Neat solution !
wudiZIV
commented
7 months ago wudiZIV
commented
7 months ago
https://ioshift.github.io/post/infinite-binomial-summation/
Problem Evaluate ∑i=n∞(in)⋅14i\sum_{i=n}^\infty\binom{i}{n}\cdot\frac{1}{4^{i}} i=n∑∞(ni)⋅4i1 Solution Let f(n)=∑i=n∞...