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If a 4x4 matrix A with rows v_1,v_2,v_3 and v_4 has determinant det(a) = -8, then...
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High School Teacher
Adding one row multiplied by scalar to another row does not change the value of determinant.
Multiplying a row by a scalar multiplies a whole determinant by that scalar.
Posted by tiburtius on April 28, 2013 at 6:14 AM (Answer #1)
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