Explain Identity functions

Dear Student,

We do understand that our answers are of much value to you. At the same time, we have been trying our best to make faster responses to each and every students. In this mission, you can help us by posting your queries explicitly and clearly ( As here provided explanation is in simplest form kindly mention the step where your are having a doubt so that we could help you precisely ).  


  • -1
What are you looking for?