Question

Complete Beginner

The formula he gives in the first video where he states x is y s,t y 2=x y=0.......Ummm what is that? And where can I learn more on that?

Answer 1

Where did you see this?

Answer 2

\[\sqrt{x} \] is y such that \[y ^{2} = x\] \[\therefore y ^{2} >0\] Are you talking about this? If you are just think about it for a second. You might want to check out the algebra videos if you want to learn more.

Answer 3

sorry y>0