![SOLVED: 1.8. What is the multiplicative inverse of 5 in Z11, Z12, and Z13? You can do a trial-and-error search using a calculator or a PC. With this simple problem we want SOLVED: 1.8. What is the multiplicative inverse of 5 in Z11, Z12, and Z13? You can do a trial-and-error search using a calculator or a PC. With this simple problem we want](https://cdn.numerade.com/ask_previews/c3eeaef6-488a-4bb8-a86c-f040de9fad82.gif)
SOLVED: 1.8. What is the multiplicative inverse of 5 in Z11, Z12, and Z13? You can do a trial-and-error search using a calculator or a PC. With this simple problem we want
![Finding the inverse of (x^2+1) modulo (x^4+x+1) using Extended Euclidean Algorithm in SageMath [GF(2^4)] | KIDS Information Center Finding the inverse of (x^2+1) modulo (x^4+x+1) using Extended Euclidean Algorithm in SageMath [GF(2^4)] | KIDS Information Center](https://kidskangla.files.wordpress.com/2019/06/gf_inverse_kids.png)
Finding the inverse of (x^2+1) modulo (x^4+x+1) using Extended Euclidean Algorithm in SageMath [GF(2^4)] | KIDS Information Center
![SOLVED: A (Points: 5) Compute (without ;using calculator) 17*29 mod 13 B. (Points: 5) Compute 8/11 mod 13 C (Points: 5) Compute 48 mod 17 D. (Points: 6) Find the multiplicative inverse of 4 in Z23 (Le-, use mod 23) SOLVED: A (Points: 5) Compute (without ;using calculator) 17*29 mod 13 B. (Points: 5) Compute 8/11 mod 13 C (Points: 5) Compute 48 mod 17 D. (Points: 6) Find the multiplicative inverse of 4 in Z23 (Le-, use mod 23)](https://cdn.numerade.com/ask_images/ce73e0a74f7c431fbbcf9bdec5037888.jpg)
SOLVED: A (Points: 5) Compute (without ;using calculator) 17*29 mod 13 B. (Points: 5) Compute 8/11 mod 13 C (Points: 5) Compute 48 mod 17 D. (Points: 6) Find the multiplicative inverse of 4 in Z23 (Le-, use mod 23)
![elementary number theory - Is there a simpler way to find an inverse of a congruence? - Mathematics Stack Exchange elementary number theory - Is there a simpler way to find an inverse of a congruence? - Mathematics Stack Exchange](https://i.stack.imgur.com/7s3NN.png)