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The determinant is divisible by three (Posted on 2023-06-05) Difficulty: 2 of 5
In a 10*10 matrix there are 92 ones and the rest is zeroes and twos.

Prove (not by simulation) that the value of the determinant of the above matrix is divisible by 3.

No Solution Yet Submitted by Ady TZIDON    
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  Subject Author Date
Puzzle AnswerK Sengupta2023-12-20 02:00:40
Happiness blogCodyDunning2023-12-19 06:51:28
No SubjectRobert Edwads2023-07-05 05:55:12
No SubjectTommie Marshall2023-06-27 02:02:35
SolutionsolutionCharlie2023-06-05 10:00:54
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