Question

Find the sum of the infinite geometric series, if it exists.

Answer 1

why not double N ?

Answer 2

Becase Nnesha already has it :P

Answer 3

one sec let me send you the problem

Answer 4

lol my initials are Z M and M

Answer 5

I got 2 as the correct answer but I forgot how I got it

Answer 6

r = ??

Answer 7

\[S = \frac{ a }{ 1-r }~~~~~|r|<1\]

Answer 8

i got 1/2 or 0.5 for r, but this seems to be wrong

Answer 9

I know I already did all of this, but I am not getting my original correct answer

Answer 10

Your r is -1/2 right?

Answer 11

:o nope it was positive

Answer 12

And your a is 3

Answer 13

yes

Answer 14

So your answer is?

Answer 15

You just had the sign wrong

Answer 16

so wait the 1/2 is negative?

Answer 17

Yeah you should have \[\frac{ 3 }{ 1+1/2 }\]

Answer 18

ah so r=-1/2

Answer 19

Yes

Answer 20

lol that was such a dumb mistake on my part

Answer 21

Thank you for helping me!

Answer 22

Np :)