Plot the graph of the function
[tex]y = x { }^{2} + \frac{x {}^{2} }{1 + x {}^{2} } + \frac{ {x}^{2} }{(1 + {x}^{2}) {}^{2} } + ...[/tex], where
[tex]x = 0[/tex]
(the equal sign after [tex]x[/tex] is crossed out, there is simply no such sign)
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