Let f :
Question:

Let f : R → R and g : C → C be two functions defined as f(x) = x2 and g(x) = x2. Are they equal functions?

Solution:

It is given that

f : R → R and g : C → C are two function defined as (x) = x2 and (x) = x2 .

Thus,

domain ( ) = R and domain ( ) = C .

Since, domain ( ) ≠ domain ( g ), 

(x) and (x) are not equal functions.

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