L
lamanhnt
[tex]sqrt{(x+2)(2x-1)}-3sqrt{x+6}\leq 4 - sqrt{(x+6)(2x-1)}+3sqrt{x+2}[/tex]
[tex]\sqrt[4]{x}+\sqrt[4]{1-x}=1[/tex]
[tex]\sqrt[4]{x}+\sqrt[4]{1-x}=1[/tex]
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