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25-09-2021 Signals & Systems

Q. Comment on the linearity of y[n] = n*x[n].

A. Linear
B. Only additive
C. Not scalable
D. Non linear

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Dapzoi Verified
Commented on 2021-09-25 13:07:13 (IST)
Answer: D

Explanation: The function obeys the scaling/homogeneity property, but doesn’t obey the additivity property, thus not being linear.