b. Using C++ or java create a square matrix A[][] of order (M*M) where ‘M’ is the number of rows and columns such that M must be greater than 2 and less than 20. Allow the user to input integers in the matrix. Display appropriate error message for an invalid input.
Perform the following task on the matrix data
Display the input matrix from the user.
Create a mirror of the inputted matrix
Display the mirror image matrix (AP) 10 marks