The transfer function technique is considered as inadequate under which of the following conditions ?

Systems having complexities and non-linearities

Systems having stability problems

Systems having multiple input disturbances

The transfer function technique is considered as inadequate under whi

1.	The transfer function technique is considered as inadequate under which of the following conditions ?
A.	Systems having complexities and non-linearities
B.	Systems having stability problems
C.	Systems having multiple input disturbances
D.	All of the above
Answer» E.