Please Solve RD Sharma Class 12 Chapter Function Exercise 2.4 Question 24 Subquestion (ii) Maths Textbook Solution.
is a surjection.
Onto function means each image has preimage in domain of
are two bijections
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)
So, is a surjection.
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