text find the area between the graph of y frac x left 2 x 2 1 right 2
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\text { Find the area between the graph of } y=\frac{x}{\left(2 x^{2}+1\right)^{2}} \text { and the } x \text {-axis for } x \in[0, b] \text { where } b \text { is a } positive number.