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hoangvan_dt


chung minh cac bieu thuc sau la vo nghiem ak! do duoc e giai tu cac phuong trinh...e nghi chung no vo nghiem nhung e ko bis cmih??? mong moi nguoi giup do ak!
2x-5 - [TEX]\trac{12}{\trac[TEX]\sqrt[3]{(4x-4)^2}[/TEX]+2[TEX]\sqrt[3]{4x-4}[/TEX]+4}[/TEX]=0
[TEX]\trac{2x+3}{\trac}[TEX]\sqrt{2x^2+x+6}+3[/TEX][/TEX]+[TEX]\trac{x+2}{\trac[TEX]\sqrt{x^2+x+2}[/TEX]+2[/TEX]-[TEX]\trac{x-4}{\trac{x}}[/TEX]=0
2x-5 - [TEX]\trac{12}{\trac[TEX]\sqrt[3]{(4x-4)^2}[/TEX]+2[TEX]\sqrt[3]{4x-4}[/TEX]+4}[/TEX]=0
[TEX]\trac{2x+3}{\trac}[TEX]\sqrt{2x^2+x+6}+3[/TEX][/TEX]+[TEX]\trac{x+2}{\trac[TEX]\sqrt{x^2+x+2}[/TEX]+2[/TEX]-[TEX]\trac{x-4}{\trac{x}}[/TEX]=0
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