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🔍 YouTube Search Results for "a triangular number identity i visual proof"
Found 19 results
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A Multiplicative Triangular Number Recurrence (visual proof)
Mathematical Visual Proofs
1.8K views
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1:16
Odd Squares as Difference of Triangular Numbers (visual proof)
Mathematical Visual Proofs
1.1K views
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2:46
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Perfect Numbers (even ones) are Triangular (visual proof) -- with bonus open problem!
Mathematical Visual Proofs
8.6K views
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Products of Odd Squares and Triangular Numbers (visual proof - updated version)
Mathematical Visual Proofs
2.2K views
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1:17
Alternating Sum of Triangular Numbers (visual proof without words)
Mathematical Visual Proofs
2.1K views
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Geometric series: sums of powers of 9 are Triangular (visual proof)
Mathematical Visual Proofs
1.9K views
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1:38
Olympiad Right Triangle Inequality (Canada 1969 - visual proof)
Mathematical Visual Proofs
3.1K views
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3:20
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Sum of Triangular Numbers II (visual proof via cannonballs)
Mathematical Visual Proofs
3.8K views
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12:30
Secret of Triangular Numbers | Combinatorics | Math Olympiad, ISI, CMI Entrance
Cheenta Academy for Olympiad & Research
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