Let x1(t) and x2(t) be periodic signals with fundamental periods T1 a – McqOptions

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1.	Let x1(t) and x2(t) be periodic signals with fundamental periods T1 and T2 respectively. Then the fundamental period of x(t)=x1(t)+x2(t) is?
A.	LCM of T1 and T2
B.	HCF of T1and T2
C.	Product of T1 and T2
D.	Ratio of T1 to T2
Answer» B. HCF of T1and T2

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