Respuesta :
a1=-2
a2=6
a3=-18
the common ratio musbe negative since the signs alternate
it is multiilied by 3 ach time
comon ratio is -3
an=-2(-3)^(n-1)
a2=6
a3=-18
the common ratio musbe negative since the signs alternate
it is multiilied by 3 ach time
comon ratio is -3
an=-2(-3)^(n-1)