Sn=A1(1-2^6)/1-2
you should get 10/3
Find A1 in a geometric series for which Sn=210, r=-2, and n=6?
Can someone lead me in the right direction?
5 answers
u dont know the naswe buddy
its -10 buddy
listen here buddy the anser is 10?3 oknokkkkook
listen all of u buddies!!!!! the answer to the question lies within ur heart ok so stop fighting love