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Martin Sleziak
Martin Sleziak
14:46
in CRUDE, 4 mins ago, by José Carlos Santos
Please help to find a dupe target for this question.
> Given square matrix $A$: If $A^2 = 0$, then $A + I$ is invertible.
I was able to find this: If $A$ is an $n \times n$ matrix such that $A^2=0$, is $A+I_{n}$ invertible?
Martin Sleziak
Martin Sleziak
15:08
After searching a bit more I found a few other similar questions - I have posted them in CRUDE.
To find those question I have tried both a search using Approach0 and the built-in search on the main site.

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