If I may ask, what makes the 4-5-1v better against the 4-4-2, than either of these two?
Pure Novice here...
It depends on your opponent. 4-5-1 v style allows you to attack the flanks while having flank coverage as well as a DMC to protect the middle. 4-4-2 classic is balanced and can have very flexible orders. and using 3-5-2 setups allow you to cover the middle as well as have 2 strikers to attack with midfield support. It all depends on your opponents formation. they all have pros and cons