Could you please go through the solution step by step with explanation . Thanks

Question 6. (a) We are given that A is an m x n matrix. (i) The n x n matrix A* A is normal as (A*A)*(A'A) = A"AA*A and (A*A)(A*A)* = A*AA"A, are equal and we know that n xn normal matrices have eigenvectors that form an orthonormal basis of Cn. (ii) For 1