An LTI system with impulse response h is memoryless if and only if:

Group of answer choicesh$($n$)=0$ for all n does not equal to $0$

h$($n$)=1$ for all n does not equal to$1$

h$($n$)=1$ for all n does equal to $1$

h$($n$)=0$ for all n does equal to $0$

Next$$