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franci2005

  • 3 years ago

A network has N subscribers. Each subscriber is connected directly to all other subscribers. (a) What is the total number of lines L in the network? (b) What is the value of L for N = 2, 10, 100, and 1,000? (c) How many lines must be built to each subscriber?

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  1. HELLSGUARDIAN
    • 3 years ago
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    (a)total no of lines will be N(N-1)/2 (b)when n=2;l=1; when n=10;l=45; when n=100;l=4950; when n=1000'l=499500; (c)each subscriber connected to n-1 subscribers hence lines built to each subscriber are n-1..:)

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