barisan geometri 15,30,60,.... tentukan. a. U1 / a = 15 b. r = 30 per 15 = c. U19
Matematika
jovitarizkiany
Pertanyaan
barisan geometri 15,30,60,....
tentukan.
a. U1 / a = 15
b. r = 30 per 15 =
c. U19
tentukan.
a. U1 / a = 15
b. r = 30 per 15 =
c. U19
1 Jawaban
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1. Jawaban 4LL
Geometri
a = U1
a = 15
r = (U2 : U1)
r = (30 : 15)
r = 2
U19 = U3 × r^(19 - 3)
U19 = 60 × r^16
U19 = 60 × 2^16
U19 = 60 × 65.536
U19 = 3.932.160
semoga berguna +_+