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ڵλãҳ > 不等式恒成立问题解法

ʽĶ_ѧ_н_רʽĶ : ʽ m ? ?x2 ? 2x ? x ?1 x ?[?2,0] ,...
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ʽͼ 1: f(x)=ax+b f(x) >0 x ?m, n ? Ϻ ? ? f(x) <0 x ?m, n ? Ϻ ? ...
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ʽ_ְҵ滮_ְ/ְ_ʵĵʽ / ʽ, ,...
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ʽͼ 1: f(x)=ax+b f(x) >0 x ?m , n ? Ϻ ? f (m ) > 0 ? ? ? f (n) > 0...
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1 ʽͼ 1: f(x)=ax+b f(x) >0 x ?m, n ? Ϻ ? ? f(x) <0 x ?m, n ? Ϻ...
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ʽко _ѧ/ʷ__רҵϡʽժҪѧ߿оʽ 05 ߿...
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ʽܳ,עһȫ,һǴ,... ʱ,Ҫٳ, , . , ȡֵΧ ġá...
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ʽİ̽ʽһƶ,漰ʽ̡е֪ʶ, ͸ź뷽̡ȼתۡԪ˼뷽,...
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ijʽĽΪһʵ;?ijʽֵ a ȵȡ ,漰һκκʡͼ,͸ŻԪ顢νϡ 뷽̵˼...
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-6- ʽܳǡ 1:a ȡֵΧΪ[-3,1] 2 ȼ ? ? x ? ? x ? 2 x ? a ? 0 x ? ?1, ??...
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