Report copyright - A Factorial Identity Resulting from the Orthogonality ...vixra.org/pdf/1811.0357v2.pdf · 3*4*5 3*4*3 3*4*5*3 3*4*3*5 3*4*5*3 3*5*3 45 = + = + = = = 3. References [1] Arfken, Weber,
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