#### If , then domain of f(a) is Option 1) Option 2) Option 3) Option 4) None of the above

As learnt in

Domain of function -

All posible values of x for f(x) to be defined is known as domain.

-

For Domain

Here,

It is only possible when

Thus

Option 1)

This solution is correct

Option 2)

This solution is incorrect

Option 3)

This solution is incorrect

Option 4)

None of the above

This solution is incorrect