Mathematics
Senior High
Solved
๐ฉใฎ่จๅทใฎๆๅณใฏใชใใงใใ๏ผ
โกโกy=a (x-ฮฑ) (x-ฮฒ) ใใ ใaโ 0ใฎใฐใฉใ
y=0ใจใใใฆxๅ็ใๆฑใใใจ,
a(x-ฮฑ)(x-ฮฒ)=0
(xa)(x-ฮฒ)=0
x = ฮฑ, ฮฒ (a<B)
ใใฃใฆ, ๅณๅณใฎใใใซ, x่ปธใจใฎไบค็นใ
(ฮฑ, 0) (ฮฒ,0) ใงใใๆพ็ฉ็ทใงใใใ
ao
ใฎๅ ดๅ
a<o
ใฎๅ ดๅ
x
Answers
Answers
ใใใฃใฆใใใใใใใฃใฆใใใใใใซใใจใใๆๅณใงใใใ
2000ๅนดไปฃใใใใพใงใฏไธญๅญฆใป้ซๆ กใงไฝฟ็จใใใฆใใพใใใใ็พๅจใฏไฝฟ็จใใฆใใชใใใใงใใ
ๆธ็นใใใๅ ดๅใใใใฎใงใไฝฟ็จใใชใๆนใ่ฏใใจๆใใพใใ
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