Mathematics · Matrices and Determinants
In solving a system of linear equations AX = B by Cramer's rule in the usual notation, if Δ1 = -24, Δ2 = 24, Δ3 = -48, and Δ = -24, then the column matrix X is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1[1, 1, 2]T
- 2[2, 1, -1]T
- 3[1, -1, 2]T✓
- 4[1, 2, -1]T
Correct answer
[1, -1, 2]T
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