Maclaurin Series

[noahdinho]

Does anyone know how to "Find the first three non-zero terms of the Maclaurin series for

by rearranging terms and collecting like powers of

."?

 

[stapel]

Does anyone know how to "Find the first three non-zero terms of the Maclaurin series for

by rearranging terms and collecting like powers of

."?

What did they give you as the Maclaurin series for arctan(x)? What have you tried plugging into that? What did you get? Where are you stuck?

Please be complete. Thank you!