- Messages
- 213
- Reaction score
- 188
- Points
- 53
Hello sir! I'm afraid you made a mistake in the part (iii) of this question. If d^2s/dr^2 has a positive value, the curve/nature should be minimum. You wrote maximum there. Thank you for the solutions though, they're really useful and informative!
Here is the video where the mistake was corrected :