If the matrix [ array ll a & b c & d array ] is commutative with the matrix [ array ll 1…
Mathematics · JEE Main · NTA Exams — Matrices and Determinants
If the matrix \(\left[\begin{array}{ll}
a & b \\
c & d
\end{array}\right]\)is commutative with the matrix \(\left[\begin{array}{ll}
1 & 1 \\
0 & 1
\end{array}\right] .\) then
- a = 0, b = c
- b = 0, c = d
- c = 0, d = a
- d = 0, a = b
Answer
(C) c = 0, d = a
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