Timeline for Extremum of the graph of a function has integer coordinates
Current License: CC BY-SA 4.0
9 events
| when toggle format | what | by | license | comment | |
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| Sep 2, 2023 at 1:53 | vote | accept | Laurenso | ||
| Sep 1, 2023 at 15:45 | history | became hot network question | |||
| Sep 1, 2023 at 14:50 | answer | added | minhthien_2016 | timeline score: 6 | |
| Sep 1, 2023 at 13:08 | comment | added | cvgmt |
@user64494 f[x_] = ((x + a) (x + b))/((x + c) (x + d)) /. {a -> -26, b -> 9, c -> 14, d -> 19}; define on real domain. The function also through two integer points. He want to find many {a,b,c,d}. The problem is extramly difficult.
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| Sep 1, 2023 at 13:06 | review | Close votes | |||
| Sep 6, 2023 at 3:07 | |||||
| Sep 1, 2023 at 12:53 | comment | added | user64494 | Your claim "has maximum point and minimum point are (-16,-49) and (-4,-1) " does not correspond to reality. In fact, you consider $y=\dfrac{(x-26)(x+9)}{(x+14)(x+19)}$ on integers only. In this case $f'(x)=0$ does not work for extrema. | |
| Sep 1, 2023 at 10:39 | history | edited | Laurenso | CC BY-SA 4.0 |
added 1 character in body; edited title
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| Sep 1, 2023 at 4:19 | history | edited | Vitaliy Kaurov |
edited tags
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| Sep 1, 2023 at 3:19 | history | asked | Laurenso | CC BY-SA 4.0 |