toluadekoya223
toluadekoya223 toluadekoya223
  • 26-02-2024
  • Mathematics
contestada


Find the sum of the first twelve terms of the sequence 2, 5, 8, 11,...

Respuesta :

Nayefx
Nayefx Nayefx
  • 26-02-2024

Answer:

222

Step-by-step explanation:

Basically arithmetic sequence where the common difference is 3 and the first term is 2. Therefore the 12th term would be 35

Hence [tex]S_{12}=12*(2+35)/2=\boxed{ 222}[/tex]

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