Matrices & Determinants
Properties of determinants
Grade None

Question:

<p>If all elements of a row are multiplied by k, determinant becomes:</p>
\(k\Delta\)
\(\Delta\)/k
k^2\(\Delta\)
unchanged

Step-by-Step Solution

Key Concept: Scaling one row scales determinant by same factor.
1. Multiply one row by k 2. Determinant becomes $k\Delta$
Correct Answer: 1

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