Chapter 1. Relation Function Maths Chapter 1 Relation Function , XII Maths | Page 11

Show that f, g and gof are invertible. Find out f – 1, g – 1 and( gof) – 1 and show that( gof) – 1 = f – 1 o g – 1.

Solution: All F, G & gof are 1:1 & onto, so they are all invertible.