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GeoGebra Lesson
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Geometric series
Author:
Jonathan Holland
A geometric proof that a = a(1-r) + ar(1-r) + ar^2(1-r)+...
GeoGebra
New Resources
Basic and Compound Inequality Illustrator
Graphing Basic and Compound Inequalities
Writing and Graphing Proportional Relationships (k>0)
Segment Addition Postulate (Mild Questions)
Squaring a Rectangle (PST Version)
Discover Resources
Reflection Properties of Conics
The Kite & The Lemniscate
Crazy Cousin Floyd
Euler Segment
Trigo 2 - CUEBA0076
Discover Topics
Planes
Arithmetic Operations
Coordinates
Congruence
Vectors 2D (Two-Dimensional)