Saburou Saitoh Edit Credential The answer was given already about 1300 years ago as 0!!
[32] viXra:2003.0071 submitted on 2020-03-03 15:31:11, (53 unique-IP downloads) Ankur Tiwari's Great Discovery of the Division by Zero $1/0 = \tan (\pi/2) = 0$ on $ 2011$ Authors: Saburou Saitoh, Yoshinori Saitoh Category: Functions and Analysis
Division by Zero Calculus For Differentiable Functions in Multiply Dimensions Authors: Saburou Saitoh Category: Functions and Analysis [30] viXra:2001.0586 submitted on 2020-01-27 16:28:38, (43 unique-IP downloads) Division by Zero Calculus, Derivatives and Laurent's Expansion Authors: Saburou Saitoh Category: Functions and Analysis [29] viXra:2001.0091 submitted on 2020-01-06 17:52:07, (55 unique-IP downloads) Division by Zero Calculus for Differentiable Functions L'Hôpital's Theorem Versions Authors: Saburou Saitoh Category: Functions and Analysis
Essential Problems on the Origins of Mathematics; Division by Zero Calculus and New World Authors: Saburou Saitoh Category: Functions and Analysis