If the matrix is singular, then
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2 marks, −1MathematicsMatrices, determinants and linear systemsSingular matrices and invertibilityEasyabout 2 min
JNU SIS 2015 Question 19: Matrices, determinants and linear systems
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If the matrix A = [2 3 5; α 0 α; 7 1 α] is singular, then (A) α = 1 (B) α = 7 or α = 0 (C) α = 8 (D) α = 0 or α = 8
Also written as: If the matrix A = [2 3 5; alpha 0 alpha; 7 1 alpha] is singular, then
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What this question tests
This question is on Singular matrices and invertibility, part of Matrices, determinants and linear systems in Mathematics.
When a matrix has an inverse and what singularity means.
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