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Fill in the Blanks
Fill in the blank :
If A = `[(4, x),(6, 3)]` is a singular matrix, then x is _______
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Solution
|A| = 0
∴ `|(4, x),(6, 3)|` = 0
∴ 12 – 6x = 0
∴ x = 2.
Concept: Algebra of Matrices
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