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Mathematics, 02.08.2021 14:00 caitlin89

Tìm điều kiện của x để các biểu thức sau xác định: a) \sqrt\frac{1}{x-x^{2} }
b) \sqrt{x+1} + \sqrt{3-x}
c) \sqrt{x^{2}-5x+6 }
d) \sqrt{4x^{2} +3}
e) \sqrt{25-x^{2} }
f) \frac{1}{\sqrt{x} -2} + \frac{\sqrt{x} }{\sqrt{x} -3}
g) \frac{\sqrt{x+1} }{\sqrt{3-x} }

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Tìm điều kiện của x để các biểu thức sau xác định: a)
b)
c)
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e)
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