dari barisan aritmatika diketahui U2 = 5 dan U5 = 14 jumlah 30 suku pertama
U2 = 5
U5 = 14
14 - 5 = 9 ÷ 3 = 3
Maka :
a = 2
b = 3
n = 30
U30 = 2 + (30 - 1) 3
U30 = 2 + 29 . 3
U30 = 2 + 87
U30 = 89
[answer.2.content]101 Dirty Tricks of Secret Courts: Private Family Law
101 Dirty Tricks of Secret Courts: Private Family Law
U2 = 5
U5 = 14
14 - 5 = 9 ÷ 3 = 3
Maka :
a = 2
b = 3
n = 30
U30 = 2 + (30 - 1) 3
U30 = 2 + 29 . 3
U30 = 2 + 87
U30 = 89
[answer.2.content]