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Mathematics
Senior High
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4, bใๅฎๆฐใจใ, xใฎ2ๆฌก้ขๆฐ y=x?-2ax+5a+bใฎ่กจใใฐใฉใใCใจใใใ ๆฌกใฎ้ใซ็ญใใชใใใ
) ใฐใฉใCใฎ้ ็นใฎๅบงๆจใๆฑใใชใใใ
(2) b=6ใฎใจใ, ใฐใฉใCใฎ้ ็นใฎใๅบงๆจใฎๆๅคงๅคใๆฑใใชใใใ
(3) b=6ใฎใจใ, ใฐใฉใCใx่ปธใฎๆญฃใฎ้จๅใจ็ฐใชใ2็นไบคใใใใใชaใฎๅคใฎ็ฏๅฒใๆฐทใใฎใใ
(4) ใฐใฉใCใaใฎๅคใซ้ขไฟใชใx่ปธใจ็ฐใชใ2็นใงไบคใใใใใฎๆกไปถใๆฑใใชใใใ
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