Interchanging the rows and columns of a determinant leaves it:
ANegated
BUndefined
CUnchanged
DDoubled up
Answer & Solution
Correct answer: C. Unchanged
1. Swapping rows for columns gives the transpose.
2. Working out the new determinant gives the same value.
3. So the determinant is unchanged.
_Source: NCERT Class 12 Mathematics Part I, Chapter 4, Determinants._
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