Solve the characteristic equation r2−5r+6=0r^2 - 5r + 6 = 0r2−5r+6=0.
r=2r = 2r=2 and r=3r = 3r=3
r=1r = 1r=1 and r=6r = 6r=6
r=−2r = -2r=−2 and r=−3r = -3r=−3
r=5r = 5r=5 and r=1r = 1r=1