alleryFor non-singular A and scalar k: |k A^(-1)| = (A is n × n)
Ak/|A|
B|A|^k
Ck^n × |A|
Dk^n / |A|
Answer & Solution
Correct answer: D. k^n / |A|
|A⁻¹| = 1/|A|.
|k A⁻¹| = k^n × |A⁻¹| = k^n / |A| (using |kA| = k^n |A| for n×n).
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