Determine whether the geometric series is convergent

Determine whether the geometric series is convergent or divergent. If it is convergent, find its sum.

3 - 4 + 16/3 - 64/9 + . . .

[CHATOPALACIO]

Thank you very much, my professor could not explain to me in a two-hour class this easy way to understand, I appreciate it very much:)

[delmyzamora]

This was really helpful! Thank you so much!

[mameaissatoundiaye]

Thank you for your explanation. I now understand better that part.

[noturabgspotter]

What if I solve it with the second and third term? But I don't get the same result.

[ninacaron]

if the geometric series is convergent, how do you find its sum?