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The minor of an element in an order n determinant has order:

An minus 1
Bn plus 1 s
Cn times 2 s
Dn itself is
Answer & Solution
Correct answer: A. n minus 1
1. Deleting one row and one column shrinks the array. 2. It loses exactly one of each. 3. So the minor has order n minus 1. 4. The answer is n minus 1. _Source: syllabus Mathematics, Ch 4 'Determinants'_
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