Limit Continuity and Differentiability 7 Question 21
21. Let be any function. Define by . Then, is
(a) onto if
(b) one-one if
(c) continuous if
(d) differentiable if
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Answer:
Correct Answer: 21. (a)
Solution:
- Given,
On putting
On differentiating Eq. (i) both sides w.r.t.
On putting