Two periodic signals ๐‘ฅ(๐‘ก) and ๐‘ฆ(๐‘ก) have the same fundamental period of 3 seconds

Q. Two periodic signals ๐‘ฅ(๐‘ก) and ๐‘ฆ(๐‘ก) have the same fundamental period of 3 seconds. Consider the signal ๐‘ง(๐‘ก) = ๐‘ฅ(โˆ’๐‘ก) + ๐‘ฆ(2๐‘ก + 1). The fundamental period of ๐‘ง(๐‘ก) in seconds is

(A) 1ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย  (B) 1.5ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย  (C) 2ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย ย  (D) 3

Ans: 3

Sol:

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