Prove the theorem below: Theorem 1. Let a, b, c, d E R. If ad-bc #0,...
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Prove the theorem below: Theorem 1. Let a, b, c, d E R. If ad-bc #0, then ax₁ + bx₂ = j cx₁ +dx₂ = k has a unique solution. Prove the theorem below: Theorem 1. Let a, b, c, d E R. If ad-bc #0, then ax₁ + bx₂ = j cx₁ +dx₂ = k has a unique solution.
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