Finding the $i$th power of $i$
25788
Prove that $i^i$ is a real number
112084
Proof of a formula for the power set of a union of two sets
1409
Proving that the given set has at most $2^{n-1}$ elements
95449
What is the square root of "$i$"?
63661
integers $n$ such that $(n-1)!+1$ is a power of $n$
109760
Showing that the product of all $n$th Roots of Unity is $(-1)^{n+1}$
11867
Prove by induction that $n < 2^n$ for all $n \ge 1$
151179
Finding the value of $\sum k/3^k$
152104
How do I prove that $ij = k?$
118471
Prove that $1-\sum_{i=1}^n a_i < \prod_{i=1}^n(1-a_i) $
62177
Prove that: $2^n < n!$ Using Induction
139932
What is the square root of $i^4$?
4776
Prove that the power set of an $n$-element set contains $2^n$ elements
102717
Real analysis of powers
139411
Finding $\pi$ factorial
113002
Any power of $(X_1, X_2,...,X_i)$ is primary in $k[X_1, X_2,...,X_n].$
33253
Find high powers of a matrix with the Cayley Hamilton theorem