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BÀI 1: GIẢI PT SAU:
[TEX]\sqrt[]{3+log_2 (x^2-4x+5)} + 2\sqrt[]{5- log_2 (x^2-4x+5)}= 6[/TEX]
mình cảm ơn trước !![Big Grin :D :D](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
[TEX]\sqrt[]{3+log_2 (x^2-4x+5)} + 2\sqrt[]{5- log_2 (x^2-4x+5)}= 6[/TEX]
mình cảm ơn trước !