alleryFor 3×3 matrix with rows R₁, R₂, R₃ = R₁ + 2R₂. Determinant =
A-1
BCannot determine without numbers
C1
DZERO (R₃ is linear combination of R₁ and R₂)
Answer & Solution
Correct answer: D. ZERO (R₃ is linear combination of R₁ and R₂)
If any row is a linear combination of others, determinant = 0 (rows are linearly dependent, matrix is singular).
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