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January 10th, 2018, 07:42 AM   #1
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Another limit

$\displaystyle lim _{y\rightarrow 0} \frac{y-arctan(y)}{y^3 }$
Solve without Lh'opital
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January 10th, 2018, 07:49 AM   #2
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note ...

$\arctan{y} = y - \dfrac{y^3}{3} + \dfrac{y^5}{5} - \dfrac{y^7}{7} + \, ... $
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