" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b = 2
n = 20
Un = a + (n-1) b
U20 = 3 + (20-1) 2
= 3 + (19) 2
= 3 + 38
= 41
smg membantu
U20= 20 (20 + 2)
= 20 (22)
= 440
jadi suku ke 20 adalah 440