Penjelasan dengan langkah-langkah:
IX = 6 + 3 + + + . . .
Diketahui = , maka a = u1 = 6, rasio =
Maka, rumus deret geometri tak hingga =
= = 12
X = (x) + (x+5000) + (x+10.000) + (x+15.000) = 100.000
= 4x + 30.000 = 100.000
= 4x = 70.000, karna bersisa, kita coba kurangi 10.000, maka
= 4x = 60.000
= x = 15.000, maka si bungsu menerima 15.000
XI = Diketahui a = 4, Un = 1.024, n = 9
= Cari r-nya -> Un = a x rⁿ⁻¹
= 1.024 = 4 x r⁹⁻¹
= 1.024 = 4 x r⁸
= 256 = r⁸
= r = 2
Sn =
=
= 4(511)
= 2.044
XII = 6.000.000 x 10%
= 6.000.000 x
= 600.000
= 600.000 x 8 = 4.800.000
= 6.000.000 + 4.800.000 = 10.800.000
XIII = 2.500.000 x 5%
= 50.000
= 50.000 x 12 ->1 tahun = 12 bulan
= 2.500.000 - 600.000
= 1.900.000
Semoga Bermanfaat
Selamat Belajar
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Penjelasan dengan langkah-langkah:
IX = 6 + 3 + + + . . .
Diketahui = , maka a = u1 = 6, rasio =
Maka, rumus deret geometri tak hingga =
= = 12
X = (x) + (x+5000) + (x+10.000) + (x+15.000) = 100.000
= 4x + 30.000 = 100.000
= 4x = 70.000, karna bersisa, kita coba kurangi 10.000, maka
= 4x = 60.000
= x = 15.000, maka si bungsu menerima 15.000
XI = Diketahui a = 4, Un = 1.024, n = 9
= Cari r-nya -> Un = a x rⁿ⁻¹
= 1.024 = 4 x r⁹⁻¹
= 1.024 = 4 x r⁸
= 256 = r⁸
= r = 2
Sn =
=
=
= 4(511)
= 2.044
XII = 6.000.000 x 10%
= 6.000.000 x
= 600.000
= 600.000 x 8 = 4.800.000
= 6.000.000 + 4.800.000 = 10.800.000
XIII = 2.500.000 x 5%
= 50.000
= 50.000 x 12 ->1 tahun = 12 bulan
= 600.000
= 2.500.000 - 600.000
= 1.900.000
Semoga Bermanfaat
Selamat Belajar