Deduce whether the matrices A and B commute or not. A = 2 1 0 1 B = 1 1 0 1 · ABC26PH0775

Subject: Physical Chemistry · Chapter: Quantum Chemistry · Topic: Quantum Chemistry – General · Exam: JAM 2001-2022 · Marks: 2 · Difficulty: Medium

Deduce whether the matrices A and B commute or not.

$A = \begin{pmatrix} 2 & 1 \\ 0 & 1 \end{pmatrix} \quad B = \begin{pmatrix} 1 & 1 \\ 0 & 1 \end{pmatrix}$

Answer

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Explanation

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