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Sudhanshu ranjan Asked a Question
August 26, 2020 11:51 pmpts 30 pts
If A is nonzero symmetric matrix, then prove that trace of A² is positive.
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  • Shashi ranjan sinha Best Answer
    see the attachment
    • cropped4406307860586032716.jpg
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  • Satpal singh thankyou
    see the attachment put A =A' A is non zero matrix so atleast one element will be non zero.
    • cropped3296264024088051158.jpg
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