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OpenStudy (anonymous):
Need help verifying my answers (matrices, picture in comment)!
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OpenStudy (anonymous):
OpenStudy (anonymous):
I am told Det(2A) is wrong. How so?
OpenStudy (loser66):
det AB = 5 correct det(2A) =8 since A is a 3 x3 matrix, so det (2 A )= 2^3 det A = 8
OpenStudy (anonymous):
Huh...I see. thank you.
OpenStudy (anonymous):
I know the rest are right, btw.
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OpenStudy (loser66):
the leftover is ok
OpenStudy (anonymous):
Thanks.
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