Provide solution for RD Sharma Maths Class 12 Chapter Functions Exercise 2.2 Question 3.
Hint : The set which contains all the elements of all the ordered pairs of relation R is known as the domain of the relation. The set which contains all the second element is known as the range of the relation.
Prove : is defined while is not defined.
Now, Domain of
Clearly, Range of f = domain of g
But Range of domain of f
Hence proved, is defined but is mot defined.