To find: The inverse of a function we must prove that the function is one to one and then put function equal to y and then swap the values of ‘x’ and ‘y’.
The required inverse of given function is
We can calculate inverse of a function for one to one function only.
To prove that the function is one to one, let us assume that ‘a’ and ‘b’ are real numbers such that:
f(a) = f(b)
If f(a) = f(b)
Therefore, the function is one to one function,
Or which is required inverse of given function.
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