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Aman Kumar Yadav posted an Question
May 23, 2021 • 18:21 pm 30 points
  • IIT JAM
  • Mathematics (MA)

Is there any short trick to find the characteristic equation of a 4×4 matrix. ????? if yes then explain.

Is there any short trick to find the characteristic equation of a 4×4 Matrix.

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  • Abhishek tripathi 1 Best Answer

    for a general 4×4 matrix there is no such short trick but if given matrix is some special kind of matrix i.e traingular matrix, companion matrix then there is some particular tricks related to matrix .

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    can u tell me about those tricks.. ???

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    here i have send you an image of companion matrix,and in traingular matrix diagonal elements are eigen value so directly we can see.

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