Explain solution for RD Sharma Class 12 Chapter Function Exercise 2.3 Question 6 maths textbook solution.
Given : Here given that
To prove : Here we have to prove that .
We know that
Clearly, the range of g is a subset of the domain of f .
Domain of h is R.
Since range of
Clearly the range of fh is a subset of g
Domain of are the same gain
And again ,