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Determinants question

2019 · Q31
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Determinants question

2019 · Q31

IIT JAMChemistryDeterminantsMultiple correct+2 / −0
The eigenvalue(s) of the matrix [1221]\begin{bmatrix} 1 & 2 \\ 2 & 1 \end{bmatrix}[12​21​] is/are
  1. A
    -1
  2. B
    1
  3. C
    2
  4. D
    3
View written solutionFree

Correct answer: A, D

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