Recent content by Alistair Over

  1. A

    Determinant exercise: show that

    here is the atachment! Sorry but I have my examination tomorrow, I'm desesperate :s
  2. A

    Determinant exercise: show that

    Hey people, could someone solve this problem and explain step by step? It's from a past exame and I really need to know how to do it, tried everything I know (not much tho). Please don't omit steps.Really appreciated! imageshack.us/photo/my-images/403/dvidafrumdelgebra.png/
  3. A

    What Is the pH of a Strong Triprotic Acid Before Titration?

    i have the sme question! nice post