minicornflakeoqkna4 minicornflakeoqkna4
  • 19-07-2017
  • Mathematics
contestada

Write the explicit formula for the geometric sequence.

a1 = -5 a2 = 20 a3 = -80

Respuesta :

texaschic101
texaschic101 texaschic101
  • 19-07-2017
an = a1 * r^(n-1)
a1 = first term = -5
r = common ratio = -4

so ur formula is : an = -5 * -4^(n-1) <==
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