The World Record of “MAXIMUM PROBLEMS OF DIFFERENTIATION (CHAIN RULE) SOLVED BY UNDERGRADUATE STUDENT IN 30 MINUTES” is achieved by CHIRAG GUPTA on 1st December 2021 from Ambarnath (Maharashtra) India. 20 years 6 months old Chirag solved 23 problems of differentiation (Chain rule) in 30 minutes with detail solutions and has set a new world record for International Book of Records.
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