ortizcisco2923 ortizcisco2923

20-10-2022
Mathematics

Answered

he expansion of a 3×3 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 and subtract the upward products. use this method to compute the following determinant.

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