Penjelasan dengan langkah-langkah:
U1 = 1
U2 = 2
U4 = 8
a = 1
b = 2
n = 5
Sn =
[tex] \frac{1( {2}^{5} - 1 )}{2 - 1} [/tex]
[tex] = \frac{32 - 1}{1} [/tex]
[tex] = 31[/tex]
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Verified answer
Penjelasan dengan langkah-langkah:
U1 = 1
U2 = 2
U4 = 8
a = 1
b = 2
n = 5
Sn =
[tex] \frac{1( {2}^{5} - 1 )}{2 - 1} [/tex]
[tex] = \frac{32 - 1}{1} [/tex]
[tex] = 31[/tex]