A) \[3|A|\]
B) \[9|A|\]
C) \[27|A|\]
D) \[|A{{|}^{3}}\]
Correct Answer: C
Solution :
Determinant of matrix \[A=|A|\] On multiplying every element of the matrix A, the determinant of newly formed matrix. \[=3.3.3|A|=27|A|\]
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