решите примеры:
1)(x-1)(x+5)<=0
2)x+[tex]\sqrt{x+1}[/tex]=1
3)[tex]\frac{2}{x}[/tex]+2=[tex]\sqrt{4+\frac{1}{x}\sqrt{64+\frac{144}{x^{2} } } }[/tex]
1)(x-1)(x+5)<=0
2)x+[tex]\sqrt{x+1}[/tex]=1
3)[tex]\frac{2}{x}[/tex]+2=[tex]\sqrt{4+\frac{1}{x}\sqrt{64+\frac{144}{x^{2} } } }[/tex]
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Answers & Comments
1) [-5 , 1] э x
2) x = 0
3) x = 2