Find multiplicative inverses for elements in U(20)
87289
Find the multiplicative inverses of all the elements in $\Bbb Z_{16}^\times$
84466
How to compute the inverse of a polynomial under $GF(2^8)$?
18767
How do you find the modular inverse of $5\pmod{\!11}$
113109
Showing that a map is bijective and finding its inverse
141909
Prove ${2}^{n}\cdot(2m+1)-1 $ is invertible
57846
Multiplicative inverse in $\operatorname{GF}(2^8)$?
17584
Integer matrices with integer inverses
105416
How can I find an inverse to the Binet formula?
39788
$a+1,a-1$ invertible for nilpotent element
145279
Compute the (multiplicative) inverse of $4x+3$ in the field $\frac {\Bbb F_{11}[x]}{\langle x^2+1 \rangle}$?
145875
Inverse of a bijection f is equal to its derivative
137109
Evaluating a summation of inverse squares over odd indices
79814
Calculate sums of inverses of binomial coefficients
122519
Multiplicative Functions
35345
How do i prove invertibility of this linear transformation
143051
Inverting noninvertible elements in a bigger ring.
119052
Finding invertible elements in $\mathbb{Z}/m\mathbb{Z}$