Find the number of ways in which the nine digits 1,2,3,...,9 can be arranged in a 3*3 square array such that the determinant of this square is an odd integer. Each digit to be used only once.

12,960 ways ---- distegarding rotations and reflections.

Edited on May 29, 2024, 10:13 pm

Posted by K Sengupta on 2024-05-29 11:41:02