your own question, for FREE!
What is the sum of the geometric sequence 4, 12, 36 … if there are 9 terms?
Join the QuestionCove community and study together with friends!
ok well first you have S=4(1-3^9) take ans and divide by -2
i got 39364
duz it help? geonetric summation formula is summation=1st term * 1-common ratio to the nth power. take ans and divide by 1-common ratio
yeah thank u!
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
6 seconds ago
27 minutes ago