" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Sn = 1/2 n (U1+Un)
7820 = 1/2 .3 (x+z)
(x+z) = 5213 1/3
x+y+z = 7820
5213 1/3 +y= 7820
y =2606 2/3
dalam hal ini
y-x=z-y=b
2y = z+x
maka x = 2603 2/3
y = 2606 2/3
z = 2609 2/3
berarti bil terkecilnya x = 2603 2/3