SOLUTION: I am having so much trouble with determinants. I have tried and tried but cannot figure these out. Evaluate the determinate 1/12 1/5 -5/9 5/7

Algebra ->  Matrices-and-determiminant -> SOLUTION: I am having so much trouble with determinants. I have tried and tried but cannot figure these out. Evaluate the determinate 1/12 1/5 -5/9 5/7      Log On


   



Question 28600: I am having so much trouble with determinants. I have tried and tried but cannot figure these out.
Evaluate the determinate
1/12 1/5
-5/9 5/7

Answer by longjonsilver(2297) About Me  (Show Source):