N
nhok_iu_vjt_kwon


làm mí bài PT này nha!
a)[TEX][x^2-2x= 2 sqrt{2x-1}[/TEX]
b) [TEX] (4x-1)sqrt{x^3+1}=2x^3+2x+1[/TEX]
c) [TEX] sqrt{3x^2-5x+1}-\sqrt{x^2}=\sqrt{3(x^2-x-1)}-\sqrt{x^2-3x+4}[/TEX]
d)[tex] x+ sqrt{5+\sqrt{x-1}} =6 [/tex]
a)[TEX][x^2-2x= 2 sqrt{2x-1}[/TEX]
b) [TEX] (4x-1)sqrt{x^3+1}=2x^3+2x+1[/TEX]
c) [TEX] sqrt{3x^2-5x+1}-\sqrt{x^2}=\sqrt{3(x^2-x-1)}-\sqrt{x^2-3x+4}[/TEX]
d)[tex] x+ sqrt{5+\sqrt{x-1}} =6 [/tex]
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