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Clearnote
Q&A
Senior High
Mathematics
なぜ0≦x≦2になるのか分かりません💦💦
Mathematics
Senior High
over 2 yearsago
ひまわり
なぜ0≦x≦2になるのか分かりません💦💦
46 不等式x-(²-2a+1)x+α²-2a<0 を満たす整数xが存在しないような定数aの値の 範囲を求めよ。 ○因数分解できる a=2a VV X " x (2+0²-2aXx+1) <0 -(a²-20) - 1 a=²α = 1₁ 0²-20-1-0 # 1WT+1 = 1=√5/2 0≤ a²=2a5 2 A≤0, 24a 1-√340²11√3- 1-B₂0≤0, 250³1-33
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