" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
S4 = 2 (2a + 3b) = 17
S8 = 4 ( 2a + 7b) = 58
pers 1 * 4a + 6b = 17 |x 2
pers 2** 8a + 28b=58 |x 1
jadi 8a + 12b = 34
8a + 28b = 58
----------------------------- -
16b = 24
b =
masukkan b ke salah 1 pers
4a + 6 (3/2) = 17
4a +9=17
4a = 8
a = 2
jadi suku pertamanya (a) = 2