Please Solve RD Sharma Class 12 Chapter Function Exercise 2.4 Question 21 Maths Textbook Solution.
is not invertible
If the function is invertible, that should fulfil the one-one, onto condition.
Let be two elements in the domain
So, we can’t say
So, and have the same image
is not one-one, bijection, surjection.
Hence, is not invertible.