For trivial solution of |A| is?
- |A| ≠ 0
- |A| = 0
- |A| = 1
- None of these
Explanation
This is from system of linear equations (AX = 0).
If |A| ≠ 0, the system has only the trivial solution (x = 0).
If ∣A∣ = 0, then non-trivial solutions may exist.
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- 2x = - 27
- 2x = 27
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