# Math Help - Inverse Of A Matrix

1. ## Inverse Of A Matrix

Could someone pls show me how to fing the inverse of the following matrix

1 1
2 2

Please i need the method not just the answer. I am really stuck on this one. Thank you

2. Originally Posted by ahamdiheme
Could someone pls show me how to fing the inverse of the following matrix

1 1
2 2

Please i need the method not just the answer. I am really stuck on this one. Thank you
It has no inverse!

3. Originally Posted by ThePerfectHacker
It has no inverse!
To the OP: Calculate the determinant to see why.

4. Isn't there something like a pseudoinverse? Thats what i am looking for