A quick one from Italy

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When I saw it first time, I was more interested in the background music rather the problem itself. 😂

mathavengers
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Amazing. Thanks a lot. Very innovative.

esbih
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Very good solution
Thank you for video

siyovushsaparboyev
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why 2k in the inequality? can't understand that part

glgou
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I think the solution is wrong, there should be 1999 instead of 2001 in the 2n+1 th term of series sumation

debarghyaghosh
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Sir

Are you in the telegram ?

I have interesting problems

siyovushsaparboyev