Respuesta :
4, -4, 4, -4, ...
It's a geometric sequence:
[tex]a_1=4;\ r=-1;\ a_n=4\cdot(-1)^{n-1}[/tex]
It's a geometric sequence:
[tex]a_1=4;\ r=-1;\ a_n=4\cdot(-1)^{n-1}[/tex]