Question

find A² if A = 3 1
-1 2
​

Answer 1

Answer:

Here is your answer.....

I think your question is inappropriate as it lacks some information but according to what you had asked....your answer is 361...

Answer 2

Answer:

A = 31 - 12

A = 19

A^2=19×19

A^2=361

Hope it helps..