limit( |(768 (5 w (-21 + 2 w^2) cos(w) + (105 - 45 w^2 + w^4) sin(w)))/w^9|, w->0)

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.