UP TGT Mathematics Part 5 | Inverse Functions, Group Theory & Induction

UP TGT Mathematics 2026 | Relation and Functions Part 5 Complete Concepts 1. Inverse Function - If f(x)=2x+3 Find f inverse x = x-3 by 2 2. Group Theory - G = e, a, a2 Is G a group? Closure Associativity Identity Inverse 3. Peanos Postulate - Prove 1+2+..+n = n(n+1)/2 4. Mathematical Induction - Prove 2 to the power n greater than n+1 Playlist: UP TGT Maths Relation and Functions #UPTGTMaths #RelationAndFunctions #InverseFunction #GroupTheory #MathematicalInduction #UPTGT2026 #CompleteTeachingDrive