Prove that if is a matrix with and is a matrix satisfying

MATHEMATICS · Subjective · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

Prove that if AA is a 2×22\times 2 matrix with det⁡A≠0\det A\neq 0 and BB is a 2×22\times 2 matrix satisfying AB=O2×2AB=O_{2\times 2}, then B=O2×2B=O_{2\times 2}.

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