What is the value of $i^{i^{i^{\cdots}}}$
63344
Why is $\underbrace {i^{i^{i^{.^{.^{.^{i}}}}}}}_{n \ times}$ converging?
2678
Values of $\sum_{n=0}^\infty x^n$ and $\sum_{n=0}^N x^n$
27901
Proving $\sum\limits_{i=1}^k | \langle x,v_i \rangle \langle y,v_i\rangle| \leq \|x\|\cdot \|y\|$
61144
Derivative of $x^{x^{\cdot^{\cdot}}}$?
86900
Formula for the $1\cdot 2 + 2\cdot 3 + 3\cdot 4+\ldots + n\cdot (n+1)$ sum
5526
Prove that $ℤ[i]^*= \{1,-1,i,-i\}$
11250
Evaluate the expression $\sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\cdots}}}$
36201
Complex towers: $i^{i^{i^{...}}}$
155014
How to justify the definition of summation $s_n=\sum_{i=1}^n a_i=a_1+\cdots+a_n$?
55094
How to show $i^{-1} = -i$?
103061
Why is it true that $\mathrm{adj}(A)A = \det(A) \cdot I$?
151646
Prove by induction that $\sum_{i=1}^{n} i \cdot 2^i = (n-1) \cdot 2^{n+1} +2$. Help finding my mistake
22666
Proving that if $A^n = 0$, then $I - A$ is invertible and $(I - A)^{-1} = I + A + \cdots + A^{n-1}$
13864
$\prod_{k=0}^{\infty} \cos(x \cdot 2^{-k}).$
87322
How to calculate $i^i$
6539
Prove $\sum_{i=1}^n i! \cdot i = (n+1)! - 1$?
69045
Solving this summation: $\sum_{i=1}^k i\cdot2^i$