Ask your own question, for FREE!
Mathematics 11 Online
OpenStudy (anonymous):

What is the sum of the geometric sequence –1, 6, –36, … if there are 6 terms?

OpenStudy (anonymous):

S6 = a * (r^6 - 1) / ( r - 1) a = -1 and r = -36/6 = -6 so Sum 6 terma = -1* (-6 ^6 -1 ) / ( -6-1) = 6665

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!
Latest Questions
Arriyanalol: i need help
2 days ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
2 days ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
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!