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If A is a non–singular matrix and the eigen values of A are 2 , 3 , -3 then the eigen values of A-1 are
  • a)
    2 , 3 , - 3
  • b)
    1/2, 1/3, -1/3
  • c)
    2|A|, 3|A|, -3|A|
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
If A is a non–singular matrix and the eigen values of A are 2 , ...
If λ1 ,λ2 ,λ3 ....λare the eigen values of a non–singular matrix A, then A-1 has the eigen values  1/λ1 ,1/λ2 ,1/λ3 ....1/λn Thus eigen values of A-1are 1/2, 1/3, -1/3
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Most Upvoted Answer
If A is a non–singular matrix and the eigen values of A are 2 , ...
-negative integer, then the absolute value of A is simply the positive version of A, since a non-negative integer is already positive or zero. Therefore, the absolute value of A is simply A.
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Community Answer
If A is a non–singular matrix and the eigen values of A are 2 , ...
-numeric value, it cannot be converted to a numeric value. Therefore, any mathematical operation involving A and a numeric value will result in an error.
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