Anku posted an Question
April 28, 2021 • 11:33 am 30 points
  • IIT JAM
  • Mathematics (MA)

Why this is wrong..?pls once tell

why this is wrong..?. . . .. . . . . . . . . . . . . . . . . . . . . . . . .

3 Answer(s) Answer Now
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    Deepak singh 1 best-answer

    rank of A = rank of ATA=n , so option a is correct

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    sir can u pls once show an example

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    i was thinking but am not getting it

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    ok wait..

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    clearly , Since A is n×n and non singular implies determinant of A is non zero and rank A=n . And Also RankA= Rank(AtA)= n .

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