class 12 maths determinants

If $A$ is a matrix of order $3 \times 3$, then |3A| is equal to ………….

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📘 Determinants NCERT,Exemp,Q.38, Page.83 FillBlank

If $A$ is a matrix of order $3 \times 3$, then |3A| is equal to ………….

Official Solution

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If $A$ is a matrix of order $3 \times 3$,

then $|3A| = 3 \times 3 \times 3|A| = 27|A|$

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