# RELATIONS & FUNCTIONS Exercise 1.2 | Q9 | Piecewise Function | Identify and Prove ONE ONE, ONTO - Videos

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In this videos, we will a very important concept in which most of the students faces difficulty that is, how to prove whether a PIECEWISE function is ONE-ONE and ONTO.
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Class 12 NCERT Exercise 1.2 Questions 9 is discussed in this video.
Let f:N×N be defined by: f(x)={█((x+1)/2;x is odd@x/2; x is even)┤ for all x∈N. State whether function is bijective.
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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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