we had to do some diagnostic test in first, another damn test. in second we had the first part of test, two problems, the damn matrices. it took me an hour and 45 minutes and 15 sheets of paper before i finally got it right. the first one was easier, i got it in 20 min, right on the first try, but the second, the inverse of a 3x3, i got it wrong 12
(
Read more... )