Application of Derivatives 2 Question 19
19. If
(1998, 2M)
(a)
(b)
(c)
(d) Nothing can be said in general
Fill in the Blanks
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Answer:
Correct Answer: 19. (b)
Solution:
- Given,
On differentiating w.r.t.
NOTE
| when | ||
| and | ||
| when |
Therefore,
Therefore, options (a) and (c) are correct answers.
