Let a be a square matrix of order n and | 5A + 3E | = 0, then a must have an eigenvalue () Let a be a square matrix of order n and | 5A + 3E | = 0, then a must have an eigenvalue () So the eigenvalue of a should be - 5 / 3 But the answer is - 3 / 5 What's going on?

Let a be a square matrix of order n and | 5A + 3E | = 0, then a must have an eigenvalue () Let a be a square matrix of order n and | 5A + 3E | = 0, then a must have an eigenvalue () So the eigenvalue of a should be - 5 / 3 But the answer is - 3 / 5 What's going on?

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