Please Solve RD Sharma Class 12 Chapter Function Exercise 2.4 Question 24 Subquestion (ii) Maths Textbook Solution.
Answer:
is a surjection.
Given:
Hint:
Onto function means each image has preimage in domain of
Solution:
are two bijections
Then,
Onto condition:
Let be an element in the domain of
Now, (Codomain of
)
is surjective.
So, , where
… (i)
Now, and
is a surjection
, where
… (ii)
From (i) and (ii)
, where
So, is a surjection.