diff --git a/ex_43.py b/ex_43.py
index 2c7f569..d64cbb1 100644
--- a/ex_43.py
+++ b/ex_43.py
@@ -10,6 +10,6 @@ P = np.array(
 print(P.shape)
 
 v = np.array([0, 1, 0, 0, 0, 0])
-w = np.power(np.dot(P**4, v), 1/4)
+w = np.dot(np.linalg.matrix_power(P, 4), v)
 print(w)
 print(w[-1])