# proof by induction for matrices

assume that P and Q are both nxn matrices and that P is invertible. Prove by induction on k that for all k>=1 (k greater than equal to 1) we have:

Please need help... i am stuck i figured out the base case for k = 1 and then after that i do not know how to proceed!!!

• What is $P*P^{-1}$? – Jacky Chong Oct 30 '16 at 0:52