Mathematics
Senior High
ไบๆฌก้ขๆฐ๐
่งฃใๆนใ่ฉณใใ็ฅใใใใงใใ
ใใใใใ้กใใใพใใ
(2:ๆฌก)
2ใคใฎ2ๆฌก้ขๆฐf(x)=22ใผใx-619 (x) ใใผx?+2ax +b ใซใคใใฆ
ใๆฌกใฎ้ใใซ็ญใใชใใใ
ใใ ใใa.b1ใฏๅฎ็ชๆฐใฆใใกใf(x)ใฎใฐใฉใใF ใฝใใฟ(x)ใฎใฐใฉใใ
Gใจใใใ
ใฐใฉใFใฎ้้
็นใฎใชๆใ
ใ
1t22
4)ใฐใฉ7Gใใ10:5)ใ้ใใฆใใไธ่ณชๅผf2)oใๆบใใxใฎๅคใใในใฆ
gc2?0ใๆบใใใใใซใใฒใฎๅคใฎ็ฏๅฒใใใใฆใชใใใ
ใๆบใใใxใฎ้ ใใในใฆ
ใตใaใ2
4
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