Mathematics
Senior High

๐Ÿšจ๐Ÿšจใ“ใฎๅ•้กŒใฎ่งฃใๆ–นใ‚’ๆ•™ใˆใฆใใ ใ•ใ„๐Ÿ™‡โ€โ™€๏ธ
็ญ”ใˆใฏk=ยฑโˆš6/2ใงใ™

8 f(x) = x3 - 2kx2-รฆ+2k ใฎๆฅตๅคงๅ€คใจๆฅตๅฐๅ€คใฎๅทฎใŒ4ใซใช ใ‚‹ใจใใฎๅฎšๆ•ฐ kใฎๅ€คใ‚’ๆฑ‚ใ‚ใ‚ˆใ€‚ [20็‚น]
ๆ•ฐๅญฆโ…ฑ ็ฉๅˆ†

Answers

ๅ‚่€ƒใซ
https://oshiete.goo.ne.jp/qa/10032901.html

https://e-yobi.net/extremum_difference/

https://manabitimes.jp/math/3907

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