New posts in induction

Prove by induction: $2^n = C(n,0) + C(n,1) + \cdots + C(n,n)$ [duplicate]

Prove that $\sin nx\le n\sin x$, by Induction

Prove via mathematical induction that $4n < 2^n$ for all $ n≥5$.

Proof by induction that $ 169 \mid 3^{3n+3}-26n-27$

Proving $n! \ge 2^{n-1 }$for all $n\ge1 $by mathematical Induction [duplicate]

How to prove this statement: $\binom{r}{r}+\binom{r+1}{r}+\cdots+\binom{n}{r}=\binom{n+1}{r+1}$

Help with proof using induction: $1 + \frac{1}{4} + \frac{1}{9}+\cdots+\frac{1}{n^2}\leq 2-\frac{1}{n}$ [duplicate]

Prove $\sqrt{n+1}-\sqrt{n}\lt \frac{1}{2\sqrt{n}}$

How to use Mathematical Induction to prove $\frac{1}{1 \cdot 2} + \frac{1}{2 \cdot 3} + \cdots + \frac{1}{n(n + 1)} = \frac{n}{n + 1}$?

How do you solve a recurrence with a summation function inside: $t(n) = 1 + \sum\limits_{j=0}^{n-1} t(j)$

Prove that $ n^3 + 5n$ is divisible by 6 for all $n\in \textbf{N}$ [duplicate]

Prove $(n^5-n)$ is divisible by 5 by induction.

$6^{(n+2)} + 7^{(2n+1)}$ is divisible by $43$ for $n \ge 1$

$\sum_{i=1}^n i\cdot i! = (n+1)!-1$ By Induction

Induction Help: prove $2n+1< 2^n$ for all $n$ greater than or equal to $3$.

Can't find the demonstration of a theorem about recursion [closed]

Prove by induction that $\sum_{r=0}^{n}\binom nr =2^k$

When do we use hidden induction?

"Cascade induction"?

Proof by induction that $\sum_{i=1}^n \frac{i}{(i+1)!}=1- \frac{1}{(n+1)!}$