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Mathematics, 21.06.2020 12:57 sheram2010

Find the explicit formula for the geometric sequence. Then find a8. 4, 8, 16, 64,

Which Answer is Correct:
A) an = 4 ⋅ rn – 1; 1,024
B) an = a1 ⋅ 2n – 1; 256
C) an = 4 ⋅ 2n – 1; 512
D) an = 2 ⋅ 4n – 1; 512

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