5.....-16
2.....-7
Find a formula in terms of k for the entries of A^k, where A is the diagonalizable matrix below.
A= 5 -16
2 -7
3 answers
4-2(-3)^k.....-8+8(-3)^k
1-(-3)^k......-2+4(-3)^k
1-(-3)^k......-2+4(-3)^k
1/2 of all that