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I take it ℕ in this context refers to the set of natural numbers. To show a relation is an equivalence relation, we need to show that it is reflexive, symmetric, and transitive. Reflexivity: Clearly, for any natural number a, aRa...

1 Answers · Science & Mathematics · 18/09/2012

...reflexive: n-n=0 and 13|0 so nRn R is symmetric: If

**mRn**then 13|(m-n), i.e., m-n = 13k for some integer k. Then n-m = -13k = 13(-k...1 Answers · Science & Mathematics · 07/05/2011

An equivalence relation has three properties: 1. It is reflexive. That is, xRx for all x. 2. It is transitive. That is, xRy and yRz implies xRz. 3. It is...

2 Answers · Science & Mathematics · 15/02/2009

m = n^2 + 1...........(1) n = p^2 + 1..............(2) Substitute for n using (2) m = (p^2 + 1)^2 + 1 = p^4 + 2p^2 + 1 + 1 = p^4 + 2p^2 + 2

2 Answers · Science & Mathematics · 22/12/2016

for a you just sub the values in function 0.833M0 0.279M0 7.6 days just take the derivative for c then sub in 1 and 7

1 Answers · Science & Mathematics · 18/01/2012

use matlab

1 Answers · Science & Mathematics · 03/07/2010

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