If a number N is divisible by both 4 and 12, then which of the following must be true? i Nis divisible by 3 ii. Nis divisible by 8 iii. Nis divisible by 48 (a) i only (b) ii only (e) tii only (d) Ond it only (e) tud ii only (1) None of these :Select one a f e

Q: Let p>5 be the prime number. Prove that the expression p4-10p2+9 is divisible by 1920.

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A: Thanks for the question :) And your upvote will be really appreciable ;)

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Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.