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因為當x=1/2時,此函數有最大值是25,所以(α+β)/2=1/2,又因為α^2+β^2=19可得α^2-α-9=0,同理β^2-β-9=0,又因為a/4+b/2+c=25,-b/2a=1/2,可得b=-a,c=25+a/4,又因為aα^2+bα+c=0,所以a*(α^2-α)+c=0,可得c=-9a…
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