Diagonalization of a given matrix (2)

Let A=[6βˆ’2βˆ’110βˆ’3βˆ’2001].

  1. Find bases for the eigenspaces of A.
  2. Determine if A is diagonalizable. If so, give an invertible matrix P and diagonal matrix D such that Pβˆ’1AP=D. If not, explain why not.