" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
54 = ar^3
a = 54/r^3
U6 = ar^5
486 = 54/r^3 x r^5
486 = 54*r^2
r^2 = 9
r = 3