Mathematics
Mathematics, 13.11.2020 05:40, myg21

If A is a square matrix of order 2, then det(-3A) is * a. 3 det A
b. -3 det A
c. 9 det A
d. -9 det A
Help please.

answer
Answers: 3

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Do you know the correct answer?
If A is a square matrix of order 2, then det(-3A) is * a. 3 det A
b. -3 det A
c. 9 det A<...

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