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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
Variation Theory Parallelogram Proofs
Icosahedron1
Tutorial: Create lists of numbers and objects
Parallelograms: Quick Investigation
Poorly Drawn Parallelograms 3
Discover Resources
Física
Blank Graph
Line Investigator
Triangle 2
CBAC Mathemateg 2018 A2 uned 4 Cw. 6
Discover Topics
Circumcircle or Circumscribed Circle
Rhombus
Cuboid
Straight Lines
Logarithmic Functions