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Need solution for RD Sharma maths class 12 chapter Functions exercise 2.1 question 7
Answers (1)
Given:
Hint:
For a bijection, we have to prove that this function is one-one and onto
Solution:
Let 
Consider the function
Here
For one-one function, we have
So,
For onto function, we have
Again here
Substituting the value of
Hence
Note:
If any function is bijective, then it is invertible.
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