det(A)=4 therefore det(a^3)=? my ans is =64 plse check my ans thks....
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Originally Posted by mathseek det(A)=4 therefore det(a^3)=? my ans is =64 plse check my ans thks.... Yes, you are correct. det(AB) = det(A)det(B)
deg(AB= det(A)det(B) so det(A^3)= (det(A))^3. Yes, that is correct.
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