barisan aritmatika 4,8,12,16 S15​

pasqualejaskolskiulv – March 12, 2023

barisan aritmatika 4,8,12,16 S15​

Deret Aritmetika

Un = a + (n - 1) b

Pembahasan

Diketahui

a = 4

b = 4

U₁₅ = 4 + (15 - 1) 4

= 4 + (14) 4

= 4 + 56

= 60