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Q1-Let-M-2-be-the-set-of-square-matrices-of-order-2-over-the-real-number-system-and-R-A-B-M-2-M-2-A-P-T-BP-for-some-non-singular-P-M-Then-R-is-A-symmetric-B-transit




Question Number 119797 by Ar Brandon last updated on 27/Oct/20
Q1  Let M_2  be the set of square matrices of order 2 over  the real number system and       R={(A,B)∈M_2 ×M_2 ∣A=P^( T) BP  for some                 non-singular P ∈M}  Then R is  (A) symmetric  (B) transitive  (C) reflexive on M_2   (D) not an equivalence relation on M_2     Q2  For any integer n, let I_n  be the interval (n, n+1).  Define         R={(x, y)∈R∣both x, y ∈ I_n  for some n∈Z}  Then R is  (A) reflexive on R  (B) symmetric  (C) transitive  (D) an equivalence relation
Q1LetM2bethesetofsquarematricesoforder2overtherealnumbersystemandR={(A,B)M2×M2A=PTBPforsomenonsingularPM}ThenRis(A)symmetric(B)transitive(C)reflexiveonM2(D)notanequivalencerelationonM2Q2Foranyintegern,letInbetheinterval(n,n+1).DefineR={(x,y)Rbothx,yInforsomenZ}ThenRis(A)reflexiveonR(B)symmetric(C)transitive(D)anequivalencerelation

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