You just need to apply the following operations to the matrix on p3:
- add 7*R3 to R1
- add 5*R3 to R2
- multiply R2 by -1
Afterwards, the rightpart of the augmented matrix is the inverse of the original matrix.
You just need to apply the following operations to the matrix on p3:
- add 7*R3 to R1
- add 5*R3 to R2
- multiply R2 by -1
Afterwards, the rightpart of the augmented matrix is the inverse of the original matrix.