Single correct · +4 / −1
If A is invertible, then A⁻¹ =
- (a) adj(A) / det(A)
- (b) det(A) / adj(A)
- (c) adj(A) × det(A)
- (d) det(A⁻¹)
Answer and solution
Answer (a) adj(A) / det(A)
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