In this video, we will discuss how signum function is defined and prove it to be neither one one nor onto in R to R. We will also discuss how we can make it a ONE-ONE and ONTO function.
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Class 12 NCERT Exercise 1.2 Questions 5 is discussed in this video.
Show that the Signum function f:R→R is neither one-one nor onto.
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Relations and functions, Class 12, NCERT 12 Maths Ex 1. Ch 1 Relations & Functions hints & solutions, Relations and functions CBSE Class 12, One one function, Onto function, Into Function, Many one function, How to prove a function is Surjective, How to prove a function is Injective function, How to prove a function is Bijective function, Function One One, Onto – IIT JEE Main and Advanced Mathematics Video Lecture, One One (Injective) & Onto (Surjective) , Bijective Function | CBSE 12 Maths NCERT Ex 1.2 intro
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sir, very nice