" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
= 1/3^3 . 3/3 + 1/3^4
= 3/3^4 + 1/3^4
= (3 + 1)/3^4
= 4/3^4
= 4/81
= (3 + 1)/3^4
= 4/3^4
= 4/81