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1. ### Define a relation on NxN by mRn...?

...m) = PD(n)   ⇒   PD(n) = PD(m) and thus mRn ⇒ nRm. Thus R is symmetric. And...

1 Answers · Science & Mathematics · 18/11/2009

2. ### Let R be the relation on Z defined by mRn if and only if mn>0 or m=n=0 1 Prove R is an equivalence relation 2 How many distinct equivalence?

...and zero. For any two positive integers m and n, mn > 0 and so mRn. For any two negative integers m and n, mn > 0 and so mRn...

1 Answers · Science & Mathematics · 16/09/2019

3. ### In linear algebra, for a matrix mRn, what does mR and R^n mean?

Rn represents the product of the matrix. See link: http://en.wikipedia.org/wiki/Matrix_%28mathematics%29 Good luck!

1 Answers · Science & Mathematics · 11/03/2011

4. ### if m and n are lines in a plane P, define mRn to mean m and n are parallel. is R an equivalence relation on P?

Chuck Testa.

1 Answers · Science & Mathematics · 28/09/2011

5. ### Define a relation R on the set Z of all integers as follows: For all m, n elements of Z, mRn if and only if?

No. 4R2 and 2R4 but 2 =/= 4.

2 Answers · Science & Mathematics · 05/05/2011

6. ### GRE practice test question that I need help figuring out...?

mRn: m = n^2^-1 rRs: r = s^2^-1 sRp: s = p^2^-1 r = (p^2^-1)^2^-1 C

2 Answers · Science & Mathematics · 11/06/2008

7. ### How do you prove a triangle I isosceles by using a proof?

NQ || MR ∠ 1 = ∠ MRN (alternate angles equal) ∠ 2 = ∠ NMR (corresponding ...

4 Answers · Science & Mathematics · 30/11/2017

8. ### Prove that the relation is an Equivalence relation?

... is clear that the relation is reflexive (mRm always), symmetric (mRn iff nRm), and transitive (mRn and nRo will always imply mRo...

1 Answers · Science & Mathematics · 22/03/2014

9. ### multiplying factions Mr/ns * st/mr=?

Multiply numerator across and denominator across. We get mrst/nsmr. The m r and s cancels out. We are left with t/n, which is b.

3 Answers · Science & Mathematics · 01/03/2013

10. ### Algebra/ Geometry Help Please?

... = angle RNM and angle RNP = angle MRN because when twp parallel lines (lines PR and MN) ...

2 Answers · Science & Mathematics · 28/02/2008