Démultiplier belong to the 1
st group.																																													
																									Démultiplier is conjugated the same way that verbs that end in : 
-ier
																									Démultiplier is conjugated with 
auxiliary avoir.
																																									Démultiplier verb is
									direct transitive.
																																																	
Démultiplier verb is a direct transitive verb, so passive voice can be used.