Find a formula for the general term a_n of the sequence:

{-3, 2, -4/3, 8/9, -16/27}

I would like a hint please.

Question

Find a formula for the general term a_n of the sequence:

{-3, 2, -4/3, 8/9, -16/27}

I would like a hint please.

anonymous · Answer

first put them all in fraction form, do  you notice any pattern?

anonymous · Answer

i mean for -3 and 2 :s

anonymous · Answer

is there sth. wrong with the last one?  16/27   i guess that's supposed to be negetive

anonymous · Answer

yea i think so

anonymous · Answer

yea~ then it can be solved~         something times (-3) equals 2~  @nphuongsun93 's hint it right~

anonymous · Answer

{-3, 2, -4/3, 8/9, -16/27} was what I meant.

anonymous · Answer

@JamesJ
@satellite73 
@TuringTest
@dpaInc 
@Hero 
@experimentX 
@eliassaab
@ParthKohli

experimentx · Answer

each term is multiplied by
-2/3

experimentx · Answer

so it's a geometric series ... with first term -3 and common ratio -2/3
rest you know.

anonymous · Answer

WOW.