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The figure shows a right triangle with i...

The figure shows a right triangle with its hypotenuse `OB` along the `y`-axis and its vertex `A` on the parabola `y=x^(2)`.

Let `h` represents the length of the hypotenuse which depends on the `x`-coordinate of the point `A`. The value of `lim_(t to o (h)` is equal to

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