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Matrices and Determinants question

2023 · 1 Feb · Shift 1 · Q26
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  5. /2023 · 1 Feb · Shift 1 · Q26

Matrices and Determinants question

2023 · 1 Feb · Shift 1 · Q26

JEE MainMathematicsMatrices and DeterminantsMCQ+4 / −1
Let SSS denote the set of all real values of λ\lambdaλ such that the system of equations λx+y+z=1x+λy+z=1x+y+λz=1\lambda x+y+z=1x+\lambda y+z=1x+y+\lambda z=1λx+y+z=1x+λy+z=1x+y+λz=1 is inconsistent, then ∑λ∈S(∣λ∣2+∣λ∣)\sum_{\lambda \in S}\left(|\lambda|^{2}+|\lambda|\right)λ∈S∑​(∣λ∣2+∣λ∣) is equal to
  1. A
    12
  2. B
    2
  3. C
    4
  4. D
    6
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