Let https://webwork.math.uga.edu/webwork...2faa4a6411.png.

Find the MacLaurin polynomial of degree 5 for https://webwork.math.uga.edu/webwork...20658adfd1.png.

i know that this can be solved by using this as a base

http://upload.wikimedia.org/math/7/6...c2b87a0475.png

then I would just plug in (-2t^4) in place of x and expand it to 5th degree.

then I think I messed up here.

Please need help.