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A rod of fixed length k slides along th...

A rod of fixed length `k` slides along the coordinates axes, If it meets the axes at `A(a ,0)a n dB(0,b)` , then the minimum value of `(a+1/a)^2+(b+1/b)^2` (a)`0` (b)`8` (c)`k^2+4+4/(k^2)` (d)`k^2+4+4/(k^2)`

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