Post Number:#3 by dshasan » Sun Feb 05, 2017 7:04 pm
$x = 11n + 7$ for any non-negative integer n.
This can be proved very easily. $x \equiv {0,1,2,3,4,5,6,7,8,9,10}$. Now checking the values for $x(x-3) mod 11$ gives the only solution when $x \equiv 7(mod 11)$.
The study of mathematics, like the Nile, begins in minuteness but ends in magnificence.
- Charles Caleb Colton