Proof in induction geometric series
7063
How to compute the  formula $\sum  \limits_{r=1}^d r \cdot 2^r$?
151646
Prove by induction that $\sum_{i=1}^{n} i \cdot 2^i = (n-1) \cdot 2^{n+1} +2$. Help finding my mistake
76029
Induction proof: n lines in a plane
157601
Proof a formula of the Fibonacci sequence with induction
13291
Proving $\sum_{k=1}^n\frac1{\sqrt k}<2\sqrt n$ by induction
14435
Show by induction: $(1+\frac{1}{n})^{n}<n$
25054
Proving $\frac{1}{n+1} + \frac{1}{n+2}+\cdots+\frac{1}{2n} > \frac{13}{24}$ for $n>1,n\in\Bbb N$ by Induction
71918
Mathematical Induction
34386
Sum of a complex, finite geometric series and its identity
124917
Fibonacci numbers and proof by induction
10424
Review of a proof for De Moivre's theorem using mathematical induction
51243
Proving a Statement using Mathematical Induction
123757
Proving a summation inequality with induction
95000
Using induction to prove that $2 \mid (n^2 − n)$ for $n\geq 1$
82069
How to explain the formula for the sum of a geometric series without calculus?
88292
Prove by induction that $\sum\limits_{i=1}^n \frac{1}{n+i} \leq \frac{3}{4}$
4991
Proving by induction that $ \sum_{k=0}^n{n \choose k} = 2^n$