A circle of radius 1 unit touches the po...

A circle of radius 1 unit touches the positive x-axis and the positive y-axis at `A` and `B` , respectively. A variable line passing through the origin intersects the circle at two points `D` and `E` . If the area of triangle `D E B` is maximum when the slope of the line is `m ,` then find the value of `m^(-2)`

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