- #1

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I need to come up with a matrix B (2x2), such that

*B =/= I*but

*B*

^{2}= ISince

Code:

```
I = (1 0)
(0 1)
```

If I am attempting this correctly, I have to find a number that isnt 1, but if you square it, it equals 1. So I came up with this.

Code:

```
B = (-1 0)
(0 -1)
```