Chapter 1. Relation Function Maths Chapter 1 Relation Function , XII Maths | Page 2

Relation
Function
Relation
Relation is a connection between or among things . Eg : Father , Mother and Child is a relation , Husband and wife is a relation , Teacher & Student is a relation .
Every relation has a pattern or property . Also every relation involves minimum two identities .
Relations in Mathematical World
o Number p is greater than number q . o
Line m is perpendicular to lime n o Set A is subset of Set B . o Relation between three sides of Right triangle . ( P 2 + B 2 = H 2 )
Function
Function is a Set of action or activity . E . g .: We can assume police as a function that will arrest a thief & lodge complain for a victim .
Consider function like a black box , if you give a input , it will give some output based on your input .