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  • If A is a 3x3 matrix then | 3A | is equal toOption: 1 26IAIOption: 2 27IAI<b

If A is a 3x3 matrix then | 3A | is equal to

Option: 1

26IAI


Option: 2

27IAI


Option: 3

9IAI


Option: 4

8IAI


Answers (1)

best_answer

Use property, |kA| = kn |A|

As k = 3 and order n = 3

Hence, |3A| = 33|A| = 27.|A|

Posted by

avinash.dongre

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