5
comments
awesome, progressive loading
1 0 ReplyThis would have been the perfect meme for my calc students to help them remember this identity.
I'm saving it in case I ever teach again
41 0 Replye^x is perfect it doesn't need to be changed
20 0 Replyex
FTFY :)
4 0 Reply
Fool, you can't change me! Yes, but he can: d/dt
3 0 Reply