10-06-2022
Mathematics

contestada

Find the sum of the first 12 terms of geometric sequence 3,-9,27-81,243

Respuesta :

nihabist nihabist

10-06-2022

Answer:

3, -9, 27,-81,243,-729,2187,-6561,19683,-59049,177147,-531441

the sum is −398,580

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