A) \[0<y\le 0.5\]
B) \[0.5<y\le 1\]
C) \[1<y<2\]
D) \[y\ge 2\]
Correct Answer: D
Solution :
\[x+\frac{1}{x}={{\left( \sqrt{x}-\frac{1}{\sqrt{x}} \right)}^{2}}+2\ge 2\]
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