When a system is such that the square sum of its impulse response tends to infinity when summed over all real time space,

When a system is such that the square sum of its impulse response tend

1.	When a system is such that the square sum of its impulse response tends to infinity when summed over all real time space,
A.	System is marginally stable
B.	System is unstable
C.	System is stable
D.	None of the mentioned
Answer» C. System is stable