" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
U7 = 4a --> a + 6b = 4a
-3a + 6b = 0 ... pers 1
U5 = 6 + U3 --> a + 4b = 6 + a + 2b
4b - 2b = 6
2b = 6
b = 3
substitusi b = 3 ke pers 2
-3a + 6b = 0
-3a + 6.3 = 0
-3a = -18
a = 6
barisan tsb mempunyai suku pertama 6 dan beda 3,
barisan tsb adalah 6, 9, 12, 15, 18, 21, ....
semoga membantu ya :)