JEE Main 2008 Mathematics question
Let be a function defined as , where for some . Show that f is invertible and its inverse is
Answer: (4)
Solution
f is one-one and onto Y; solving gives , so , option (4).
Let be a function defined as , where for some . Show that f is invertible and its inverse is
f is one-one and onto Y; solving gives , so , option (4).