Jawaban:
r² = 32/8
r² = 4
r = 2
U3 = ar² = 8
4a = 8
a = 2
S7 = 2(2^7 - 1)/1
S7 = 254
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Jawaban:
r² = 32/8
r² = 4
r = 2
U3 = ar² = 8
4a = 8
a = 2
S7 = 2(2^7 - 1)/1
S7 = 254