Mathematics · Linear Equations
Let AX = B be a system of three linear equations in three variables. Consider the following conditions: (A) a unique solution if |A| = 0 (B) a unique solution if |A| ≠ 0 (C) no solution if |A| = 0 and (adj A)B ≠ 0 (D) infinitely many solutions if |A| = 0 and (adj A)B = 0 Choose the correct answer from the options given below:
- 1(B) only
- 2(B) and (C) only
- 3(B), (C) and (D) only✓
- 4(A), (C) and (D) only
Correct answer
(B), (C) and (D) only
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