Section4.2Determinants by recursion
Using 2 by 2 determinants to form the 3 by 3 ones. Generalizing to 4 by 4. Generalizing to the n by n case and taking advantage of zeros.
Using 2 by 2 determinants to form the 3 by 3 ones. Generalizing to 4 by 4. Generalizing to the n by n case and taking advantage of zeros.