Badge
| Popular Question | Asked a question with 1,000 views. This badge can be awarded multiple times. |
Randolf R-F earned this badge |
mar 15 at 7:15
If $A^2 = I$ (Identity Matrix) then $A = \pm I$
| Popular Question | Asked a question with 1,000 views. This badge can be awarded multiple times. |
Randolf R-F earned this badge |