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Vijay posted an Question
August 11, 2021 • 06:00 am 30 points
  • IIT JAM
  • Mathematics (MA)

Is there a misprint anywhere?

please send the solution to the problem given in the attachment.

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  • Ankur Rao best-answer

    no both are true . first derivative is negative because both are decreasing and in first concave down imply second derivative is negative and in second concave upward which imply second derivative is positive. feel free to ask if you have any question.

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    what does the double derivative mea n geometrically?

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    see the difference between these graphs . graph at top is concave downward means double derivative is negative there. for graph at bottom it is concave upward imply double derivative is positive at that point and vice versa.

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