Whatismath

This page lists questions and answers that were posted by visitors named Whatismath.

Questions

The following questions were asked by visitors named Whatismath.

"Suppose that n is an odd number. Prove that n^2 is congruent to 1 modulo 8." I solved by substituting n with 1, 3, 5, and 7 since they are all odd and remainders of mod 8. I concluded that the equation is true because they all are congruent to 1. However...

Answers

The following answers were posted by visitors named Whatismath.

the usability of the course content

I almost missed the bus.

Thank you so much!