There are 2 cars on the road. Car X is moving at 72 km/h and car Y is moving at 90 km/h, approach each other. Car X honks with a frequency of 650 Hz. Given the speed of the sound waves in air is 350 m/s, then what is the frequency of sound heard by the driver of car Y? O None of these O 738.6 Hz O 750 Hz O 600 Hz O 700.6 Hz

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Graph theory

It is that part of network analysis where the configuration is called graph or structure of the network system when all of the elements (e.g., R, L, and C) in a network system are substituted with lines having circles/rings or dots across both endpoints. The study of the solution of the networks and circuits with the help of graphs is known as graph theory. The objective is to know the mathematics behind the network analysis.