Let p1 = 2, p2 = 3, . . be the list of primes, in increasing order. consider products of the form (p1 × p2 × ·· ·× pn) + 1 (compare with the proof of corollary 1.3.4). show that this number is prime for n = 1, . . , 5. show that when n = 6 this number is not prime. [use your answer to exercise 1.3.1. a calculator will speed the work of checking divisibility.]

how is this a question? in order for me to answer it i have to understand the question

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in baseband transmission the whole bandwidth of the cable is utilized by a single signal. eg.Ethernet is using Basebands for LAN.

In the broadband transmission, multiple signals are sent on multiple frequencies simultaneously using a single channel. eg.Digital Subscriber Line (DSL)

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Power braking's benefits

Among the big advantages of a power braking system are it's: Regarded as safer. The heat caused by the friction of drum brakes causes them to wear down. Because disc brake systems have better heat distribution, they're more efficient

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