Please send the solution to the problem given in the attachment.

suppose A⁶=I, so that x⁶−1 annihilates A. Then m(x) is of degree at most 2, and m(x) divides x⁶−1. Hence m(x) is either x−1, x+1, (x−1)(x+1), x²−x+1, or x²+x+1. m(x) divides c(x)...