Question

Determine the sum of a geometric series whose first term is 12, whose common ratio is -1/4 and whose number of terms is infinite.

Answer 1

i tried what u said last time but got a answer that was not on there wanted to make sure it was none of they above

Answer 2

the*

Answer 3

which one , the previous?

Answer 4

yeah i tried what u said on the last one

Answer 5

\[\frac{c}{1-r}\]

Answer 6

is it 16?

Answer 7

\[\frac{12}{1+\frac{1}{4}}\]

Answer 8

i got 12.25? thst right?

Answer 9

but i did 12/1-(-1/4)

Answer 10

\[\frac{12}{\frac{5}{4}}\]
\[12\times \frac{4}{5}=9.6\]

Answer 11

oh yeah 1+ 1/4 is not 3/4

Answer 12

did i mess up?