the strange cousin of the complex numbers -- the dual numbers. Published 2 years ago • 420K plays • Length 19:14 Download video MP4 Download video MP3 Similar videos 21:16 the most interesting differential equation you have seen. 8:26 top 3 exercises to improve balance (prevent falls & add stability) 2:49 3 posture exercises to improve balance & decrease joint pain in 10 minutes 9:05 can you figure out this sum?