MathsGee Answers is Zero-Rated (You do not need data to access) on: Telkom | Dimension Data | Rain | MWEB
First time here? Checkout the FAQs!
x
Institutions: Global | Authors |Cars | Courseware |Ekurhuleni Libraries | Joburg Libraries | Startups | Tools |Tshwane Libraries | Math Worksheets | Visual Statistics

MathsGee is Zero-Rated (You do not need data to access) on: Telkom |Dimension Data | Rain | MWEB

0 like 0 dislike
5 views
What is the formula for the sum of a geometric sequence?
in Mathematics by Wooden (4,853 points)
86% Accept Rate
| 5 views

1 Answer

0 like 0 dislike
Best answer
The formula for the sum of a geometric sequence is:

\[S_n=\dfrac{a(r^n-1)}{r-1}\]

OR

\[S_n=\dfrac{a(1-r^n)}{1-r}\]

OR

\[S_{\infty}=\dfrac{a}{1-r}\]

where $-1<r<1$ (Converging series)
by Wooden (4,853 points)

Welcome to MathsGee Answers, a free online study network where students can ask, answer, and explore 24/7 for improved outcomes.



MathsGee Supporting City of Joburg

Enter your email address:

MathsGee Tools

Math Worksheet Generator

Math Algebra Solver

Trigonometry Simulations

Vectors Simulations

Matrix Arithmetic Simulations

Matrix Transformations Simulations

Quadratic Equations Simulations

Probability & Statistics Simulations

PHET Simulations

Visual Statistics

Interactive Courseware

ZeroEd Search Engine

Article Rewriter Tool

Word Counter Tool

Other Tools

STEM Gender Equality | ZOOM | Slack | eBook