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Vijay posted an Question
October 08, 2020 • 15:55 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Which sentence is true? 1 point a) set of all matrices forms a group o under multiplication b) set of all rational negative onumbers forms a group under multipl

Which sentence is true? 1 point a) Set of all matrices forms a group O under multiplication b) Set of all rational negative Onumbers forms a group under multiplication c) Set of all non-singular matrices forms a group under multiplication O Both (b) and (c)

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    Deepak singh 1 best-answer

    option a is not true because inverse of singular matrix not exist . option 2 is not correct because closure fails.. (-2×-3=6 which is not negative ) option c is correct ,. non singular matrix under multiplication always forms group called as GL(n,F)

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