Question :
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:
1. LCM of T1 and T2
2. HCF of T1and T2
3. Product of T1 and T2
4. Ratio of T1 to T2
Answer :
1 - LCM of T1 and T2
|