as you know i have been asked a question which no no way i couldn't tackle it. and its is about differentiabilty. at long last i found a solution. i want to share with you. could you check out please. thanks for now.this is the question.(adsbygoogle = window.adsbygoogle || []).push({});

and this is my solution.(i assume that when x goes infinity, the limit value of functions equals zero.)

part1

part2

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# A problem about differentiability

Can you offer guidance or do you also need help?

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