# Mathematics > Linear Algebra Foundations > Linear Algebra Foundations #6 - An Equation involving Matrices # Solve an equation involving matrices. # # https://www.hackerrank.com/challenges/linear-algebra-foundations-6-the-nsupthsup-power-of-a-matrix/problem # réponse: -2 1 # A^2 = [[ 1 2 0] # [ 0 1 0] # [ 0 0 1]]