Book: RS Aggarwal - Mathematics
Chapter: 3. Functions
Subject: - Class 11th
Q. No. 8 of Exercise 3B
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8
If 
, prove that x = f(y).
Given: 
Need to prove: x = f(y)
Replacing x by y in the function,
Now, given in the problem that y = f(x)
⇒ 
⇒ 
⇒ 
⇒ 
[Proved]
