The ROC of u(n) = 4n, for n<0; 2n, for n 0 is ___________ – McqOptions

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1.	The ROC of u(n) = 4ⁿ, for n<0; 2ⁿ, for n 0 is ___________
A.	0<z<1
B.	z<4
C.	2<z
D.	2<z<4
Answer» E.

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