Question

test the series 1-1/2+1/4-​

Answer 1

Answer:

$it's \: \: an \: \: g.p. \: \: which \: \: first \: \: term \: \: is \: \: 1 \: \: \\ and \: \: common \: \: ratio \: \: is \: - \frac{1}{2} .$