A 3D Triangular Number Recursion
This is a short, animated visual proof demonstrating how to multiplicatively obtain the (n+1)st triangle number from the nth triangular number.
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To see a wide screen version of this proof check out A Multiplicative Triangular Number Recurrence (visual proof)
• A Multiplicative Triangular Number Re...
This animation is included in the following sources:
Proofs without Words II by Roger B. Nelsen (MAA, 2000) (https://bookstore.ams.org/clrm-14/) page 14
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Watch video A 3D Triangular Number Recursion online without registration, duration hours minute second in high quality. This video was added by user Mathematical Visual Proofs 13 February 2024, don't forget to share it with your friends and acquaintances, it has been viewed on our site 22,572 once and liked it 1.4 thousand people.