The expansion of a 3x3 determinant can be remembered by this device. Write a second copy of the first two columns to the right of the matrix, and compute the determinant by multiplying entries on six diagonals. Add the downward diagonal products I and subtract the upward products. Use this method to compute the following determinant. ra11 a12 a13] a11 a12 -5 0 -1 a21 a22 a23 azí a2 -3 4 -1 0 1 5 a31 a32 a33 a31 a32 the ns -50 -1 -3 4-1= 01 5 сер 2 lext, refl R2 = aid So, the m Help me solve this View an example Get more help - Clear all Check answer

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