Pertanyaan :
Jawaban :
A = U1 = 6
r = U2/U1
r = 12/6
r = 2
r = U2/U1
r = 12/6
r = 2
S4 = a.(r^n-1)/(r-1)
S4 = 6.(2^4-1)/(2-1)
S4 = 6.(16-1)/1
S4 = 6.15
S4 = 90
S4 = a.(r^n-1)/(r-1)
S4 = 6.(2^4-1)/(2-1)
S4 = 6.(16-1)/1
S4 = 6.15
S4 = 90