" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
r=(-2/5p^2)/(1/2p)=-4/5p
Sn=a/1-r
1/3=1/2p/(1+4/5p)
1/3=1/2p/(5+4p)/5
1/3=5p/10+8p
10+8p=18p
10=10p
p=1