If A= [ array ll 1 & 0 1 & 1 array ] then A –n is equal to -

Mathematics · JEE Main · NTA Exams — Matrices and Determinants

1. \(\left[\begin{array}{ll} 1 & 0 \\ \mathrm{n} & 1 \end{array}\right]\)
2. \(\left[\begin{array}{cc} 1 & 0 \\ -\mathrm{n} & -1 \end{array}\right]\)
3. \(\left[\begin{array}{cc} 1 & 0 \\ -\mathrm{n} & 1 \end{array}\right]\)
4. none of these

Answer

(C) [ array cc 1 & 0 - n & 1 array ]

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