For what value of x, the matrix [ array ccc 3-x & 2 & 2 2 & 4-x & 1 -2 & -4 & -1-x array…
Mathematics · JEE Advanced · NTA Exams — Matrices and Determinants
For what value of x, the matrix
\[\left[\begin{array}{ccc} 3-x & 2 & 2 \\ 2 & 4-x & 1 \\ -2 & -4 & -1-x \end{array}\right]\] is singular.
\[\left[\begin{array}{ccc} 3-x & 2 & 2 \\ 2 & 4-x & 1 \\ -2 & -4 & -1-x \end{array}\right]\] is singular.
- x = 1, 2
- x = 0, 2
- x = 0, 1
- x = 0, 3 .
Answer
(D) x = 0, 3 .
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