Ann0414 Ann0414
  • 20-03-2018
  • Mathematics
contestada

how do I find the first four terms of this geometric sequence

a1=3 and r=-3

Respuesta :

Аноним Аноним
  • 20-03-2018
a(n)= -1(-3^n)


3 , -9 , 27 , -81
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