Q. A rod of fixed length 2 slides along the positive coordinate axes. If it meets the axes at $\mathrm{A}(\mathrm{a}, 0)$ and $\mathrm{B}(0, \mathrm{~b})$, then the value $\left(a+\frac{1}{a}\right)^{2}+\left(b+\frac{1}{b}\right)^{2}$ can be -
Straight Lines
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