NOTE: This page randomly generates an exercise and its solution. Click here to refresh the page and generate a new exercise. Use the [link] below if you want to return to the same exercise again at a later time. Click here to go back to the main page with the course information and schedule.
Exercise: Solve the following equation:
5 (mod 11)
Using the explicit formula for computing square roots of congruence classes modulo a prime, the solution is:
± (5)(11+1)/4 (mod 11)
± 4 (mod 11)